├── .gitignore ├── Books.jpg ├── Bundle.png ├── CSharp-NET_Timeline.jpg ├── LICENSE ├── NET Developer Roadmap Minimal.pdf ├── NET Developer Roadmap Minimal.png ├── NET Roadmap.pdf ├── NET Roadmap.png ├── Patterns.png ├── README.md ├── csharp-mindmap.png ├── csharp-timeline.png ├── patreon.png └── release-schedule.png /.gitignore: -------------------------------------------------------------------------------- 1 | .NET Roadmap.pptx 2 | .NET Developer Roadmap Minimal.xmind -------------------------------------------------------------------------------- /Books.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/Books.jpg -------------------------------------------------------------------------------- /Bundle.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/Bundle.png -------------------------------------------------------------------------------- /CSharp-NET_Timeline.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/CSharp-NET_Timeline.jpg -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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The road map will guide you if you need clarification about what to learn next rather than encouraging you to pick what is hype and trendy. It would help if you grew some understanding of why one tool would be better suited for some cases than the other and remember that hype and trendy only sometimes mean best suited for the job. 24 | 25 | ## Give a Star! :star: 26 | 27 | If you like or are using this project to learn or start your solution, please give it a star. Thanks! 28 | 29 | ## Roadmap 30 | 31 | ![Roadmap](NET%20Roadmap.png) 32 | 33 | Download [PDF version](NET%20Roadmap.pdf). 34 | 35 | ## Minimalistic version 36 | 37 | Below you can find a bare minimum version every junior .NET developer needs to know, with learning materials included and clickable in the PDF version. 38 | 39 | ![Roadmap](NET%20Developer%20Roadmap%20Minimal.png) 40 | 41 | Download [PDF version](NET%20Developer%20Roadmap%20Minimal.pdf). 42 | 43 | 44 | ## Table of Contents 45 | 46 | - [Understanding the .NET ecosystem](#understanding-the-net-ecosystem) 47 | - [.NET runtimes](#net-runtimes) 48 | - [.NET Framework](#net-framework) 49 | - [.NET Core](#net-core) 50 | - [The One .NET - .NET 5](#the-one-net---net-5) 51 | - [The current - .NET 9](#the-current---net-9) 52 | - [.NET Standard](#net-standard) 53 | - [Learning resources](#learning-resources) 54 | - [1. C#](#1-c) 55 | - [2. General Development Skills](#2-general-development-skills) 56 | - [3. ASP.NET Core](#3-aspnet-core) 57 | - [4. Client-Side .NET](#4-client-side-net) 58 | - [5. Databases](#5-databases) 59 | - [6. ORM](#6-orm) 60 | - [7. Testing](#7-testing) 61 | - [8. Logging](#8-logging) 62 | - [9. Communication](#9-communication) 63 | - [10. Background tasks](#10-background-tasks) 64 | - [11. Caching](#11-caching) 65 | - [12. Observability](#12-observability) 66 | - [13. Containerization](#13-containerization) 67 | - [14. Cloud](#14-cloud) 68 | - [15. Continuous Integration \& Delivery (CI/CD)](#15-continuous-integration--delivery-cicd) 69 | - [16. AI & Machine Learning](#16-ai--machine-learning) 70 | - [17. NET Libraries](#17-net-libraries) 71 | - [Additional considerations](#additional-considerations) 72 | - [Performance best practices](#performance-best-practices) 73 | - [Profiling and diagnostics](#profiling-and-diagnostics) 74 | - [Performances 101](#performances-101) 75 | - [Security and Cryptography](#security-and-cryptography) 76 | - [Additional learning resources](#additional-learning-resources) 77 | - [Books](#books) 78 | - [YouTube Channels](#youtube-channels) 79 | - [Blogs](#blogs) 80 | - [Podcasts](#podcasts) 81 | - [Other .NET Content creators](#other-net-content-creators) 82 | - [Tools](#tools) 83 | 84 | ## Understanding the .NET ecosystem 85 | 86 | Before going into specifics, you need to have a solid understanding of the **.NET Ecosystem**. Here are a few that you should understand: 87 | 88 | ## .NET runtimes 89 | 90 | In this section, we will look at the main .NET runtimes. We consider .NET runtime as anything that implements **[ECMA-335 Standard for .NET](https://github.com/dotnet/coreclr/blob/master/Documentation/project-docs/dotnet-standards.md)**. 91 | 92 | ### .NET Framework 93 | 94 | [.NET Framework](https://dotnet.microsoft.com/en-us/download/dotnet-framework) is a software development framework for building and running applications on Windows. .NET Framework consists of Common Language Runtime (CLR), .NET Framework Class Library, and Application workloads (WPF, Windows Forms, and ASP.NET). CLR is part of a shared infrastructure that runs code, jit, does garbage collection (C#, VB.NET, F#), etc. The code that CLR manages is called managed code. Code is compiled into Common Intermediate Language (CIL) and stored in assemblies (with .exe or .dll extension). When an application runs, CLR takes an assembly and uses a just-in-time compiler (JIT) to transpile machine code into code that can run on specific computer architecture. 95 | 96 | You can use it for both desktop and web development, but it is limited to Windows development, and it comes preinstalled on Windows. 97 | 98 | ### .NET Core 99 | 100 | [.NET Core](https://dotnet.microsoft.com/en-us/download) is one of the runtimes in the .NET Ecosystem. It was released in 2016. and it's [open-sourced](https://github.com/dotnet/core). It does not represent a new version of the .NET Framework and will not replace it. It is an entirely independent version, built to allow cross-platform capability for application development. .NET Core consists of an App Host (dotnet.exe) that runs CLR and Library. It has a Common language runtime (CoreCLR) and .NET Core Class Library. It supports different application workloads, such as ASP.NET Core (MVC and API), console applications, and UWP. 101 | 102 | .NET Core can run on different platforms: Windows Client, Server, IoT, Linux, Ubuntu, FreeBSD, Tizen, and Mac OSX, and can be installed side-by-side of different versions per machine or user. 103 | 104 | 105 | ### The One .NET - .NET 5 106 | 107 | [.NET 5](https://dotnet.microsoft.com/en-us/download/dotnet/5.0) was released in November 2020 with the goal of unifying development for desktop, Web, cloud, mobile, gaming, IoT, and AI applications. The earlier setup goal was to produce a single .NET runtime and framework, cross-platform, integrating the best features of .NET Core, .NET Framework, Xamarin, and Mono. However, due to the global health pandemic, the unification was postponed to .NET 6. .NET 5 is a shared code base for .NET Core, Mono, Xamarin, and future .NET implementations. Also, target framework names (TFMs), which express which version of .NET targeting, are updated, so we now have net5.0. This is for code that runs everywhere. It combines and replaces the netcoreapp and netstandard names and net5.0-windows that represent OS-specific flavors of .NET 5 that include net5.0 plus OS-specific bindings. 108 | 109 | ### The current - .NET 9 110 | 111 | [.NET 9](https://learn.microsoft.com/en-us/dotnet/core/whats-new/dotnet-9/overview) is the latest runtime in the .NET Ecosystem. It is released in November 2024. and it unifies development for desktop, Web, cloud, mobile, gaming, IoT, and AI applications. .NET 9 consists of an App Host (dotnet.exe) that runs CLR and Library. It has a Common language runtime (CoreCLR) and .NET 8 Class Library. It also includes ASP.NET Core 9. .NET 9 has nearly identical platform support as .NET Core 3.1 for Windows, macOS, and Linux. 112 | 113 | .NET 9 is a **Standard Term Support** release, supported for six months after a subsequent STS or LTS release. 114 | 115 | .NET 8 was a **Long Term Support (LTS)**. Those releases are supported for three years after the initial release. 116 | 117 | ![C#/NET Timeline](CSharp-NET_Timeline.jpg) 118 | 119 | ## .NET Standard 120 | 121 | Different runtimes use different class libraries, e.g., .NET Framework uses .NET Framework class library, while .NET Core contains its class library, as well as Xamarin with its class library. In this way, it's hard to share code between different runtimes, as they use different APIs. Microsoft's solution is the **.NET Standard library**, released in 2016. It represents a set of (formal) specifications that say which APIs you can use and all runtimes implement it. It is the evolution of Portable Class Libraries (PCL). Specific runtimes implement specific versions of .NET Standard (implementing specific APIs). E.g., .NET Framework 4.8.1 implements .NET Standard 2.0, and .NET 7 implements .NET Standard 2.1 ([link](https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-1-0#net-implementation-support)). 122 | 123 | To learn more about the .NET Ecosystem, check [this blog post](https://milan.milanovic.org/post/a-brief-walk-through-net-ecosystem/). 124 | 125 | **.NET Release Schedule by Microsoft:** 126 | 127 | ![.NET Release schedule by Microsoft](release-schedule.png) 128 | 129 | ## Learning resources 130 | 131 | ### 1. C# 132 | 133 | C# is a programming language developed by Microsoft. It's a language for building anything from desktop applications and games (using Unity) to cloud-based solutions and web services. With **strong support for object-oriented programming** and a rich library, it's designed to be easy and efficient. 134 | 135 | The latest version is **[C# 13](https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/csharp-13)**, released in November 2024. 136 | 137 | Check the full C# timeline: 138 | 139 | ![C# Timeline](csharp-timeline.png) 140 | 141 | You need to understand different **C# language features**, such as: 142 | 143 | - Object-oriented programming (classes, objects, interfaces, inheritance, polymorphism) 144 | - Variables, data types, and operators 145 | - Reference and value types 146 | - Control flow (conditionals, loops) 147 | - Generics 148 | - Exception handling 149 | - Delegates and events 150 | - Assemblies 151 | - Collections 152 | - LINQ (Language Integrated Query) 153 | - Async and await for asynchronous programming 154 | 155 | But also **.NET libraries and APIs** for: 156 | 157 | - File I/O and serialization 158 | - Collections and data structures 159 | - Networking 160 | - Multithreading and task parallelism 161 | - Security and cryptography 162 | 163 | **Resources**: 164 | 165 | - [C# Programming Cheat Sheet](https://github.com/milanm/csharp-cheatsheet) - This cheat sheet serves as a quick reference guide for C# developers at all skill levels. 166 | - [Why C#](https://newsletter.techworld-with-milan.com/p/why-csharp) - A comprehensive overview of C# language features. 167 | - [Microsoft Learn C#](https://dotnet.microsoft.com/en-us/learn/csharp). 168 | - [Microsoft C# Fundamentals for Absolute Beginners](https://learn.microsoft.com/en-us/shows/c-fundamentals-for-absolute-beginners/). 169 | - [Microsoft C# 101](https://learn.microsoft.com/en-us/shows/csharp-101/) 170 | - [Udemy C# for Beginners - Coding From Scratch (.NET Core)](https://www.udemy.com/course/c-and-net-core-for-beginners/) 171 | - [C# Basics for Beginners: Learn C# Fundamentals by Coding](https://www.udemy.com/course/csharp-tutorial-for-beginners/) 172 | - [C# language specification - ECMA-334](https://www.ecma-international.org/publications-and-standards/standards/ecma-334/) 173 | - Learn [dotnet CLI](https://docs.microsoft.com/dotnet/core/tools) 174 | - [NuGet](https://learn.microsoft.com/en-us/nuget/what-is-nuget) package manager 175 | - [Dot Net Perls](https://www.dotnetperls.com/s#c#) - Many code examples in C# 176 | - Advanced concepts: 177 | - [Become a Full-stack .NET Developer - Advanced Topics](https://www.pluralsight.com/courses/full-stack-dot-net-developer) 178 | - [Async/Await](https://devblogs.microsoft.com/dotnet/how-async-await-really-works/) by Stephen Toub 179 | - [Threading in C#](https://www.albahari.com/threading/) by Joseph Albahari 180 | - [Concurrency](https://www.codeguru.com/csharp/thread-synchronization-c-sharp/) and [Locking](https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/statements/lock) 181 | 182 | ### 2. General Development Skills 183 | 184 | Mastering design patterns, clean code, and version control like Git enables you to write efficient, maintainable code that works and thrives in a team environment. It's the **difference between being a coder and a skilled software engineer**. 185 | 186 | Here, you need to know different principles, such as: 187 | 188 | **SOLID Principles**: 189 | - Single Responsibility Principle (SRP) 190 | - Open/Closed Principle (OCP) 191 | - Liskov Substitution Principle (LSP) 192 | - Interface Segregation Principle (ISP) 193 | - Dependency Inversion Principle (DIP) 194 | 195 | But also: 196 | 197 | - DRY (Don't Repeat Yourself) 198 | - KISS (Keep It Simple, Stupid) 199 | - YAGNI (You Ain't Gonna Need It) 200 | - Law of Demeter (LoD) or Principle of least knowledge 201 | - Composition over Inheritance 202 | - The principle of least astonishment 203 | - Software architecture styles and patterns (MVC, MVP) 204 | 205 | **Resources**: 206 | 207 | - Learn [Git](https://newsletter.techworld-with-milan.com/p/how-to-learn-git) 208 | - Learn [Data Structures & Algorithms](https://amzn.to/3LTsZ6o) 209 | - Learn [Clean Code](https://amzn.to/3Qdj91J) 210 | - Learn [Refactoring](https://www.pluralsight.com/courses/refactoring-fundamentals) fundamentals 211 | - Learn [Design Patterns from the book](https://amzn.to/3QcVQVS) or [video tutorials](https://www.pluralsight.com/paths/design-patterns-in-c) or download [cheat sheet](Patterns.png). 212 | - [Creational Design Patterns](https://refactoring.guru/design-patterns/creational-patterns) 213 | - [Structural Design Patterns](https://refactoring.guru/design-patterns/structural-patterns) 214 | - [Behavioral Design Patterns](https://refactoring.guru/design-patterns/behavioral-patterns) 215 | - [Repository pattern](https://learn.microsoft.com/en-us/dotnet/architecture/microservices/microservice-ddd-cqrs-patterns/infrastructure-persistence-layer-design) 216 | - [Unit of Work pattern](https://learn.microsoft.com/en-us/aspnet/mvc/overview/older-versions/getting-started-with-ef-5-using-mvc-4/implementing-the-repository-and-unit-of-work-patterns-in-an-asp-net-mvc-application) 217 | - Learn [Main software design](https://newsletter.techworld-with-milan.com/p/main-software-design-principles-you) principles 218 | - Learn [SOLID](https://www.pluralsight.com/courses/principles-oo-design) principles of OO Design in depth. 219 | - Learn [Clean Architecture](https://newsletter.techworld-with-milan.com/p/what-is-clean-architecture) 220 | - Learn [Modular Monolith Architecture](https://newsletter.techworld-with-milan.com/p/what-is-a-modular-monolith) 221 | - Software Architecture Styles 222 | - Learn [Fundamentals of Software Architectures](https://amzn.to/3rEtJWh) 223 | - Learn [Layered](https://www.oreilly.com/library/view/software-architecture-patterns/9781491971437/ch01.html) architecture style 224 | - Learn [Microservices](https://microservices.io/) and [DAPR](https://dapr.io/) 225 | - Microservices Patterns 226 | - [Backend for Frontend](https://microservices.io/patterns/apigateway.html) 227 | - [CQRS](https://learn.microsoft.com/en-us/azure/architecture/patterns/cqrs) 228 | - [Event Sourcing](https://learn.microsoft.com/en-us/azure/architecture/patterns/event-sourcing) 229 | - [Saga](https://learn.microsoft.com/en-us/azure/architecture/patterns/saga) 230 | - [Actor Model](https://getakka.net/articles/intro/what-are-actors.html) 231 | - [Inbox pattern](https://learn.microsoft.com/en-us/azure/service-bus-messaging/duplicate-detection) 232 | - [Sidecar pattern](https://learn.microsoft.com/en-us/azure/architecture/patterns/sidecar) 233 | - [Outbox pattern](https://learn.microsoft.com/en-us/azure/architecture/databases/guide/transactional-outbox-cosmos) 234 | - [Data Consistency](https://daily.dev/blog/10-methods-to-ensure-data-consistency-in-microservices) 235 | - Learn [Domain-Driven Design](https://learn.microsoft.com/en-us/archive/msdn-magazine/2009/february/best-practice-an-introduction-to-domain-driven-design) or from [the book](https://amzn.to/49jl0tm) 236 | 237 | ### 3. ASP.NET Core 238 | 239 | It is a cross-platform, high-performance framework developed by Microsoft for **building web apps, APIs, and microservices**. You can also run your apps on Windows, Linux, or macOS. It's engineered for flexibility and scalability with features like built-in dependency injection and a robust configuration system. 240 | 241 | Here, you also need to know **web development fundamentals**, such as: 242 | 243 | - HTML, CSS, and JavaScript for front-end development 244 | - HTTP protocols, DNS, request/response model, and RESTful APIs 245 | - Routing, middleware, authentication, and authorization 246 | 247 | Note that **Minimal APIs** are now preferred for lightweight APIs, instead of controllers. 248 | 249 | **Resources**: 250 | 251 | - Web Basics: 252 | - [How Internet works](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Web_mechanics/How_does_the_Internet_work) 253 | - [What happens when you type a URL into your browser?](https://newsletter.techworld-with-milan.com/p/what-happens-when-you-type-a-url) 254 | - [How DNS works](https://newsletter.techworld-with-milan.com/i/135973327/how-dns-works) 255 | - [HTTP(S) protocol](https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview) 256 | - [ASP.NET MVC](https://dotnet.microsoft.com/en-us/apps/aspnet/mvc) 257 | - [ASP.NET MVC 5 Fundamentals by Scott Alen](https://www.pluralsight.com/courses/aspdotnet-mvc5-fundamentals) course 258 | - [ASP.NET Core Fundamentals by Scott Alen](https://www.pluralsight.com/courses/aspnet-core-fundamentals) course 259 | - [Middlewares](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/middleware) 260 | - APIs 261 | - [Web API](https://dotnet.microsoft.com/en-us/apps/aspnet/apis) 262 | - [Minimal APIs](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/minimal-apis?view=aspnetcore-8.0) 263 | - [FastEndpoints](https://fast-endpoints.com/) 264 | - Protocols 265 | - REST: 266 | - [REST API Design Best Practices](https://newsletter.techworld-with-milan.com/p/rest-api-design-best-practices) 267 | - [REST Constraints](https://www.webscrapingapi.com/rest-api-architecture-constraints) 268 | - [Understanding REST Headers](https://newsletter.techworld-with-milan.com/p/understanding-rest-headers) 269 | - [REST Maturity Model](https://martinfowler.com/articles/richardsonMaturityModel.html) 270 | - [HTTP Status Codes](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Status) 271 | - [HATEOAS](https://en.wikipedia.org/wiki/HATEOAS) 272 | - [Data Shaping](https://code-maze.com/data-shaping-aspnet-core-webapi/) 273 | - [Filtering, Sorting, Pagination](https://www.youtube.com/watch?v=X8zRvXbirMU) 274 | - GraphQL: 275 | - [Basics](https://graphql.org/) 276 | - [Queries](https://chillicream.com/docs/hotchocolate/v15/defining-a-schema/queries) 277 | - [Mutations](https://chillicream.com/docs/hotchocolate/v15/defining-a-schema/mutations) 278 | - [Subscriptions](https://chillicream.com/docs/hotchocolate/v15/defining-a-schema/subscriptions) 279 | - [Distributed Schemas](https://chillicream.com/docs/hotchocolate/v13/distributed-schema) 280 | - gRPC: 281 | - [gRPC Fundamtenals](https://grpc.io/) 282 | - [Contracts and .proto files](https://learn.microsoft.com/en-us/aspnet/core/grpc/basics?) 283 | - [Protobuf](https://learn.microsoft.com/en-us/aspnet/core/grpc/protobuf) 284 | - [Bidirectional communication](https://learn.microsoft.com/en-us/aspnet/core/grpc/client) 285 | - [Interceptors](https://learn.microsoft.com/en-us/aspnet/core/grpc/interceptors) 286 | - SDK Clients – Simplify calling external APIs or building resilient API integrations: 287 | - [Refit](https://github.com/reactiveui/refit) – Turns your REST API into a live interface via attributes. 288 | - [RestSharp](https://github.com/restsharp/RestSharp) – Low-level HTTP client wrapper, good for custom scenarios. 289 | - [Polly](https://github.com/App-vNext/Polly) – Fault-handling (retry, circuit breaker, timeout) for HTTP requests. 290 | - [Microsoft Resilience](https://learn.microsoft.com/en-us/dotnet/core/resilience/) – New resilience pipeline built into .NET. 291 | - Dependency Injection 292 | - [Life Cycles](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/dependency-injection) 293 | - [Microsoft Extensions Dependency Injection](https://learn.microsoft.com/en-us/dotnet/api/microsoft.extensions.dependencyinjection?view=dotnet-plat-ext-7.0) 294 | - [Autofac](https://autofac.org/) 295 | - [Scrutor](https://github.com/khellang/Scrutor) 296 | - [Application Settings & Configurations](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/configuration) 297 | - [Filters & Attributes](https://docs.microsoft.com/en-us/aspnet/core/mvc/controllers/filters) 298 | - Security 299 | - [Identity on ASP.NET Core](https://learn.microsoft.com/en-us/aspnet/core/security/authentication/identity) 300 | - [Authentication](https://docs.microsoft.com/en-us/aspnet/core/security/authentication) or [this Reddit thread](https://www.reddit.com/r/dotnet/comments/we9qx8/a_comprehensive_overview_of_authentication_in/) 301 | - [Authorization](https://docs.microsoft.com/en-us/aspnet/core/security/authorization/introduction) 302 | - [IdentityServer](https://identityserver4.readthedocs.io/en/latest) 303 | - [Auth0](https://auth0.com) 304 | - [OIDC](https://openid.net/connect) 305 | - [Mutual TLS](https://www.cloudflare.com/learning/access-management/what-is-mutual-tls/) 306 | - [Keycloak](https://www.keycloak.org/) 307 | 308 | ### 4. Client-Side .NET 309 | 310 | If you want to build UIs in .NET, you will need these frameworks. **Razor** is a template engine for creating dynamic HTML, while **Blazor** takes it up a notch, letting you build interactive web UIs using C# instead of JavaScript. **MAUI** is a Xamarin successor made for building cross-platform mobile apps. **Windows Presentation Foundation (WPF)** is a UI framework that creates desktop client applications. **Uno Platform** is an open-source cross-platform UI framework that allows developers to build single-codebase applications for Windows, macOS, Linux, iOS, Android, and Web (via WebAssembly) using .NET. 311 | 312 | **Resources**: 313 | 314 | - [Razor](https://docs.microsoft.com/aspnet/core/mvc/views/razor) 315 | - [Blazor](https://dotnet.microsoft.com/apps/aspnet/web-apps/blazor) 316 | - [.NET MAUI](https://github.com/dotnet/maui) 317 | - [WPF](https://learn.microsoft.com/en-us/dotnet/desktop/wpf/overview/?view=netdesktop-8.0) 318 | - [WinUI](https://docs.microsoft.com/en-us/windows/apps/winui/winui3/) 319 | - [Uno Platform](https://platform.uno/) 320 | - [Avalonia](https://avaloniaui.net/) 321 | - Note: [UWP](https://docs.microsoft.com/en-us/windows/uwp/get-started/universal-application-platform-guide) and [WinForms](https://docs.microsoft.com/en-us/dotnet/desktop/winforms/overview/?view=netdesktop-8.0) are also used client-side .NET technologies but they are more in their end of life (deprecated). 322 | 323 | ### 5. Databases 324 | 325 | Good database design ensures efficient data storage and quick retrieval, making your app run smoother and scale easier. **SQL**, the go-to language for database interaction, gives you the power to query, update, and manage the data you've so carefully designed to store. 326 | 327 | Here, you need to know: 328 | 329 | - SQL Syntax 330 | - Basics of Database design (normal forms, keys, relationships) 331 | - The Difference Between Inner, Left, Right, and Full Join 332 | - SQL Queries Execution Order 333 | - What is Query Optimizer 334 | 335 | **Resources**: 336 | 337 | - [Database design](https://www.youtube.com/watch?v=ztHopE5Wnpc) 338 | - [Learn SQL](https://newsletter.techworld-with-milan.com/p/how-to-learn-sql) 339 | - [SELECT FROM](https://www.w3schools.com/sql/sql_select.asp) 340 | - [WHERE](https://www.w3schools.com/sql/sql_where.asp) 341 | - [ORDER BY](https://www.w3schools.com/sql/sql_orderby.asp) 342 | - [GROUP BY, HAVING](https://www.w3schools.com/sql/sql_groupby.asp) 343 | - [JOINs](http://www.w3schools.com/Sql/sql_join.asp) 344 | - [Database views](https://www.geeksforgeeks.org/sql-views/) 345 | - [Stored Procedures](https://www.w3schools.com/sql/sql_stored_procedures.asp) 346 | - [Functions](https://www.w3schools.com/sql/sql_ref_sqlserver.asp) 347 | - [Triggers](https://www.geeksforgeeks.org/sql-trigger-student-database/) 348 | - Relational 349 | - [SQL Server](https://www.microsoft.com/sql-server/sql-server-2019) 350 | - [PostgreSQL](https://www.postgresql.org) - recommened for new projects 351 | - [MariaDB](https://mariadb.org) 352 | - [MySQL](https://www.mysql.com) 353 | - [Azure SQL](https://azure.microsoft.com/en-us/products/azure-sql/database) 354 | - NoSQL 355 | - [MongoDB](https://docs.microsoft.com/aspnet/core/tutorials/first-mongo-app) 356 | - [RavenDB](https://github.com/ravendb/ravendb) 357 | - [Azure Cosmos DB](https://docs.microsoft.com/azure/cosmos-db) - recommened for new projects 358 | - [Marten](https://martendb.io/) - (document DB and event store on PostgreSQL) 359 | - [Apache Cassandra](https://cassandra.apache.org/) 360 | - [DynamoDB](https://aws.amazon.com/dynamodb/) 361 | - Tools: 362 | - [SQLFlow](https://sqlflow.gudusoft.com/#/) - a great tool to visualize SQL queries. 363 | - Security: 364 | - [TLS](https://dev.to/scylladb/database-101-ssltls-for-beginners-4lmn) 365 | - [Transparent Data Encryption](https://learn.microsoft.com/en-us/sql/relational-databases/security/encryption/transparent-data-encryption) 366 | - [Always Encrypted](https://learn.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine) 367 | - [Consistency models](https://www.baeldung.com/cs/eventual-consistency-vs-strong-eventual-consistency-vs-strong-consistency) 368 | 369 | ### 6. ORM 370 | 371 | Object-relational mapping (ORM) is like a translator between your object-oriented C# code and the relational database, eliminating the tedious task of writing SQL queries for basic CRUD operations. Using ORM frameworks like Entity Framework, you can **manipulate data as objects in your code, making it more readable and maintainable**. This speeds up development, minimizes errors, and lets you focus on complex business logic rather than wrestling with database syntax. 372 | 373 | For **Entity Framework**, you need to know the following: 374 | 375 | - DbContext and DbSet for managing database connections and querying data 376 | - Code-First and Database-First approaches for defining data models 377 | - Migrations for managing database schema changes 378 | - Querying data using LINQ and raw SQL 379 | - Tracking changes and saving data 380 | 381 | **Resources**: 382 | 383 | - [Entity Framework Core](https://learn.microsoft.com/en-us/ef/core) 384 | - [Code First Migrations](https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/?tabs=dotnet-core-cli) 385 | - [Change Tracker API](https://learn.microsoft.com/en-us/ef/core/change-tracking/) 386 | - [Lazy Eager Explicit Loading](https://learn.microsoft.com/en-us/ef/core/querying/related-data/) 387 | - Entity Relations: 388 | - [One-to-One](https://learn.microsoft.com/en-us/ef/core/modeling/relationships/one-to-one) 389 | - [One-to-Many](https://learn.microsoft.com/en-us/ef/core/modeling/relationships/one-to-many) 390 | - [Many-to-Many](https://learn.microsoft.com/en-us/ef/core/modeling/relationships/many-to-many) 391 | - Querying Data: 392 | - [Eager Loading](https://learn.microsoft.com/en-us/ef/core/querying/related-data/eager) 393 | - [Explicit Loading](https://learn.microsoft.com/en-us/ef/core/querying/related-data/explicit) 394 | - [Lazy Loading](https://learn.microsoft.com/en-us/ef/core/querying/related-data/lazy) 395 | - [AsNoTracking](https://learn.microsoft.com/en-us/ef/core/querying/tracking) 396 | - [Filtering](https://www.learnentityframeworkcore.com/dbset/querying-data) 397 | - [Sorting](https://code-maze.com/sorting-aspnet-core-webapi/) 398 | - [Paging](https://learn.microsoft.com/en-us/ef/core/querying/pagination) 399 | - [Projections](https://makolyte.com/ef-core-aggregate-select-queries/) 400 | - [Aggregations](https://www.csharptutorial.net/entity-framework-core-tutorial/ef-core-group-by/) 401 | - Advanced Querying: 402 | - [Compiled Queries](https://learn.microsoft.com/en-us/ef/core/performance/efficient-querying) 403 | - [Split Queries](https://learn.microsoft.com/en-us/ef/core/querying/single-split-queries) 404 | - [Grouping](https://www.csharptutorial.net/entity-framework-core-tutorial/ef-core-group-by/) 405 | - [Aggregation](https://makolyte.com/ef-core-aggregate-select-queries/) 406 | - [Functions](https://learn.microsoft.com/en-us/ef/core/querying/database-functions) 407 | - [Global Query Filters](https://learn.microsoft.com/en-us/ef/core/querying/filters) 408 | - [Change Tracker](https://learn.microsoft.com/en-us/ef/core/change-tracking/) 409 | - Advanced Writing: 410 | - [Batch Update](https://learn.microsoft.com/en-us/ef/core/performance/efficient-updating) 411 | - [Transactions] (https://learn.microsoft.com/en-us/ef/core/saving/transactions) 412 | - Concurrency: [Optimistic Locking](https://www.learnentityframeworkcore.com/concurrency) and [Pessimistic Locking](https://learn.microsoft.com/en-us/ef/core/saving/concurrency) 413 | - [Transaction Isolation Levels](https://www.bytehide.com/blog/transactions-ef-core) 414 | - Migrations: 415 | - [Add-Migration](https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/?tabs=dotnet-core-cli#add-migration) 416 | - [Update-Database](https://www.learnentityframeworkcore.com/migrations/update-database) 417 | - [Scaffolding](https://learn.microsoft.com/en-us/ef/core/managing-schemas/scaffolding/) 418 | - [Applying Migrations](https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/applying) 419 | - [Migrations with multiple providers](https://learn.microsoft.com/en-us/ef/core/managing-schemas/migrations/providers) 420 | - Advanced Modeling Techniques: 421 | - [Owned Entities](https://learn.microsoft.com/en-us/ef/core/modeling/owned-entities) 422 | - [Table per Hierarchy (TPH)](https://www.learnentityframeworkcore.com/inheritance/table-per-hierarchy) 423 | - [Table per Type (TPT)](https://www.learnentityframeworkcore.com/inheritance/table-per-type) 424 | - [Table per Concrete Class (TPC)](https://code-maze.com/efcore-how-and-when-to-use-tpc-inheritance-mapping/) 425 | - [Keyless Entities](https://learn.microsoft.com/en-us/ef/core/modeling/keyless-entity-types) 426 | - [Complex Types](https://www.learnentityframeworkcore.com/model/complex-type) 427 | - [Value Objects](https://learn.microsoft.com/en-us/dotnet/architecture/microservices/microservice-ddd-cqrs-patterns/implement-value-objects) 428 | - Patterns: 429 | - [Repository Pattern](https://learn.microsoft.com/en-us/aspnet/core/data/ef-mvc/intro?view=aspnetcore-8.0#repository-pattern) 430 | - [Unit of Work Pattern](https://learn.microsoft.com/en-us/aspnet/core/data/ef-mvc/intro?view=aspnetcore-8.0#unit-of-work-pattern) 431 | - Advanced topics: 432 | - [Temporal Tables](https://learn.microsoft.com/en-us/ef/core/providers/sql-server/temporal-tables) 433 | - [Shadow properties](https://learn.microsoft.com/en-us/ef/core/modeling/shadow-properties) 434 | - [Keyless entities](https://learn.microsoft.com/en-us/ef/core/modeling/keyless-entity-types) 435 | - [DBContext pooling](https://learn.microsoft.com/en-us/ef/core/performance/advanced-performance-topics?tabs=with-di%2Cexpression-api-with-constant#dbcontext-pooling) 436 | - [JSON Mapping](https://learn.microsoft.com/en-us/ef/core/what-is-new/ef-core-7.0/whatsnew#mapping-to-json-columns) 437 | - [Dapper](https://github.com/StackExchange/Dapper) 438 | - [LINQ](https://www.dotnetnakama.com/blog/understanding-the-dot-net-language-integrated-query-linq/) 439 | - [Index, CountBy, AggregateBy](https://timdeschryver.dev/blog/new-linq-methods-in-c-13-index-countby-aggregateby) 440 | - [ADO.NET](https://learn.microsoft.com/en-us/dotnet/framework/data/adonet/) 441 | 442 | ### 7. Testing 443 | 444 | **Unit tests** focus on isolated pieces of your code, **integration tests** ensure different parts play well together, and **end-to-end tests** validate the entire user journey within your application. Together, they form a safety net, catching bugs early, simplifying debugging, and making your codebase robust and maintainable. 445 | 446 | Here you need to know: 447 | 448 | - Test frameworks (xUnit, NUnit, MSTest, TUnit) 449 | - Test runners and test explorers 450 | - Asserts and test attributes 451 | - Mocking libraries (NSubstitute, etc.) 452 | 453 | **Resources**: 454 | 455 | - [Unit Testing](https://www.pluralsight.com/courses/advanced-unit-testing) 456 | - Frameworks 457 | - [xUnit](https://xunit.net/) 458 | - [NUnit](https://nunit.org/) 459 | - [MSTest](https://docs.microsoft.com/dotnet/core/testing/unit-testing-with-mstest) 460 | - [TUnit](https://thomhurst.github.io/TUnit/) 461 | - Mocking 462 | - [NSubstitute](https://github.com/nsubstitute/NSubstitute) 463 | - [Moq](https://github.com/devlooped/moq) 464 | - Assertion 465 | - [Shouldly](https://github.com/shouldly/shouldly) 466 | - [xUnit Assert](https://xunit.net/) 467 | - [Fluent Assertions](https://fluentassertions.com/) (PAID) 468 | - Integration Testing 469 | - [WebApplicationFactory](https://docs.microsoft.com/aspnet/core/test/integration-tests) 470 | - [TestServer](https://learn.microsoft.com/en-us/aspnet/core/test/integration-tests?view=aspnetcore-7.0) 471 | - [Testcontainers](https://dotnet.testcontainers.org/) 472 | - [Respawn](https://github.com/jbogard/Respawn) 473 | - Snapshot Testing 474 | - [Verify](https://github.com/VerifyTests/Verify) 475 | - Mutation Testing 476 | - [Stryker](https://stryker-mutator.io/) 477 | - Behavior Testing 478 | - [SpecFlow](https://github.com/techtalk/SpecFlow/tree/DotNetCore) (Not maintained) 479 | - [Reqnroll](https://github.com/reqnroll/Reqnroll) 480 | - End-to-End Testing 481 | - [Playwright](https://playwright.dev/) 482 | - [Selenium](https://www.selenium.dev/) 483 | - [Cypress](https://www.cypress.io/) 484 | - Performance Testing 485 | - [K6](https://github.com/grafana/k6) 486 | - [JMeter](https://github.com/apache/jmeter) 487 | - [BenchmarkDotNet](https://benchmarkdotnet.org/)] 488 | - Load Testing 489 | - [NBomber](https://nbomber.com/) 490 | - Test Data Generators 491 | - [Bogus](https://github.com/bchavez/Bogus) 492 | - [AutoFixture](https://github.com/AutoFixture/AutoFixture) 493 | 494 | ### 8. Logging 495 | 496 | Logging captures runtime information, errors, and other crucial data that can help you quickly identify and fix issues, making your application more reliable and secure. Logging frameworks like **NLog** or **Serilog** integrate seamlessly into .NET, giving you a real-time diagnostic tool indispensable for monitoring application health, troubleshooting problems, and even gathering insights for future development. 497 | 498 | **Resources**: 499 | 500 | - [Serilog](https://github.com/serilog/serilog) 501 | - [NLog](https://github.com/NLog/NLog) 502 | - [Microsoft.Extensions.Logging](https://learn.microsoft.com/en-us/dotnet/core/extensions/logging) 503 | 504 | ### 9. Communication 505 | 506 | In .NET we have three types of communication: Real-time communication, Synchronous, and Asynchronous communication. **Real-time communication** technologies, like SignalR in the .NET ecosystem, enable these functionalities by maintaining a constant connection between server and client. **Synchronous communication** is mainly done by using through HTTP Client, while **asynchronous communication** is done through different messaging and event-based frameworks and libraries. Messaging systems act as a middleman between different parts of your system, allowing them to communicate without being directly connected. **Event handlers**, on the other side, are used for handling events within a single application. They facilitate a publisher-subscriber model where one part of the application can raise an event that other parts can react to. 507 | 508 | **Resources**: 509 | 510 | - Real time communication: 511 | - [SignalR Core](https://docs.microsoft.com/aspnet/core/signalr) 512 | - [WebSockets](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/websockets) 513 | - [Socket.IO](https://github.com/doghappy/socket.io-client-csharp) 514 | - Synchronous communication: 515 | - [HTTP Client](https://learn.microsoft.com/en-us/dotnet/api/system.net.http.httpclient?view=net-8.0) 516 | - Asynchronous communication: 517 | - Message brokers: 518 | - [Azure Service Bus](https://docs.microsoft.com/azure/service-bus-messaging/service-bus-messaging-overview) 519 | - [RabbitMQ](https://www.rabbitmq.com/tutorials/tutorial-one-dotnet.html) 520 | - [ActiveMQ](https://activemq.apache.org/) 521 | - [NetMQ](https://netmq.readthedocs.io/en/latest/) 522 | - [Apache Kafka](https://kafka.apache.org/) 523 | - [Message Queues](https://www.geeksforgeeks.org/message-queues-system-design/) 524 | - [Message Queue vs Pub-Sub](https://systemdesignschool.io/blog/message-queue-vs-pub-sub) 525 | - [Dead Letter Exchange](https://medium.com/@shivanksingh01/rabbitmq-dead-letter-exchange-a-comprehensive-guide-node-js-b62967a76f10) 526 | - [Handling Duplicate Messages](https://codeopinion.com/handling-duplicate-messages-idempotent-consumers/) 527 | - Message bus: 528 | - [MassTransit](https://github.com/MassTransit/MassTransit) 529 | - [Rebus](https://github.com/rebus-org/Rebus) 530 | - [Azure Service Bus](https://docs.microsoft.com/azure/service-bus-messaging/service-bus-messaging-overview) 531 | - [NServiceBus](https://learn.microsoft.com/en-us/azure/service-bus-messaging/build-message-driven-apps-nservicebus?tabs=Sender) 532 | - [EasyNetQ](https://easynetq.com/) 533 | - [Wolverine](https://wolverinefx.net/) 534 | - Event handlers: 535 | - [Azure Event Hub](https://docs.microsoft.com/azure/event-hubs/event-hubs-about) 536 | - [Azure Event Grid](https://docs.microsoft.com/azure/event-grid/overview) 537 | 538 | ### 10. Background tasks 539 | 540 | These services run tasks in the background, freeing up your application to focus on user interactions. Whether **data processing, automated emails, or periodic clean-ups**, background services ensure these tasks don't slow down or interrupt the user experience. 541 | 542 | **Resources**: 543 | 544 | - [Background Service](https://docs.microsoft.com/en-us/aspnet/core/fundamentals/host/hosted-services) 545 | - [HangFire](https://github.com/HangfireIO/Hangfire) 546 | - [Quartz](https://github.com/quartznet/quartznet) 547 | - [Coravel](https://docs.coravel.net/Scheduler/) 548 | 549 | ### 11. Caching 550 | 551 | Caching is like your app's personal short-term memory, storing frequently accessed data so it **can be quickly retrieved without accessing your database**. By reducing database load and speeding up data access, caching gives your app the competitive edge it needs to meet user demands for responsiveness and availability. 552 | 553 | **Resources**: 554 | 555 | - [Memory Cache](https://docs.microsoft.com/aspnet/core/performance/caching/memory) 556 | - [FusionCache](https://github.com/ZiggyCreatures/FusionCache) 557 | - [Hybrid Cache](https://learn.microsoft.com/en-us/aspnet/core/performance/caching/hybrid?view=aspnetcore-9.0) 558 | - [Redis](https://redis.io/) 559 | - Application-Level 560 | - [Built-in](https://learn.microsoft.com/en-us/aspnet/core/performance/caching/response) 561 | - [Output Caching](https://learn.microsoft.com/en-us/aspnet/core/performance/caching/output?source=recommendations) 562 | 563 | ### 12. Observability 564 | 565 | These tools provide **real-time insights into your application's performance**, user behavior, and error rates, enabling you to address issues before they escalate into full-blown problems proactively. 566 | 567 | - **Monitoring** focuses on the health and availability of services and systems, often triggering alerts for predefined conditions. 568 | 569 | - **Telemetry** collects, processes, and transmits data from systems, enabling analysis of patterns, trends, and anomalies. 570 | 571 | **Resources**: 572 | 573 | - [Prometheus](https://github.com/prometheus/prometheus) 574 | - [Grafana](https://github.com/grafana/grafana) 575 | - [Datadog](https://www.datadoghq.com) 576 | - [ELK Stack](https://www.elastic.co/what-is/elk-stack) 577 | - [OpenTelemetry](https://github.com/open-telemetry/opentelemetry-dotnet) - an emerging standard for tracing and monitoring in .NET. 578 | - [Jaeger](https://www.jaegertracing.io/) 579 | - [Azure Application Insights](https://docs.microsoft.com/azure/azure-monitor/app/app-insights-overview) 580 | - [Azure Log Analytics](https://docs.microsoft.com/azure/azure-monitor/logs/log-analytics-overview) 581 | 582 | ### 13. Containerization 583 | 584 | Container solutions encapsulate your .NET application, libraries, and runtime into isolated containers. This **enables consistency across multiple development and production environments**, resolving dependency issues. With features like layered file systems, you can easily manage container images for ASP.NET, .NET Core, or other .NET services, optimizing build times and resource utilization. 585 | 586 | **Resources**: 587 | - Containers 588 | - [Docker](https://www.docker.com) 589 | - [Networking](https://docs.docker.com/engine/network/) 590 | - [Env Variables](https://docs.docker.com/compose/how-tos/environment-variables/set-environment-variables/) 591 | - [Dockerfile](https://docs.docker.com/engine/reference/builder/) 592 | - [Docker CLI](https://docs.docker.com/engine/reference/commandline/cli/) 593 | - [Volumes](https://docs.docker.com/storage/volumes/) 594 | - [Docker Compose](https://docs.docker.com/compose/) 595 | - [Docker Hub](https://hub.docker.com/) 596 | - [Azure Container Registry](https://learn.microsoft.com/en-us/azure/container-registry/container-registry-intro) 597 | - Orchestration 598 | - [Kubernetes](https://kubernetes.io) 599 | - [Azure Kubernetes Service (AKS)](https://azure.microsoft.com/en-us/products/kubernetes-service) 600 | - [Helm](https://helm.sh/) 601 | - [Azure Container Apps](https://docs.microsoft.com/en-us/azure/container-apps/overview) 602 | 603 | ### 14. Cloud 604 | 605 | Cloud providers provide a layer of APIs to abstract infrastructure and provision it based on security and billing boundaries. The cloud **runs on servers in data centers**, but the abstractions cleverly give the appearance of interacting with a single "platform" or large application. The ability to quickly provision, configure, and secure resources with cloud providers has been key to the tremendous success and complexity of modern DevOps. 606 | 607 | The most popular cloud providers in the market are **AWS** and **Azure**, as well as **Google Cloud**. 608 | 609 | Also, Microsoft added a new product called **.NET Aspire** to simplify microservices and cloud-native development. 610 | 611 | Here, you must know how to manage users and administration, networks, virtual servers, etc. 612 | 613 | **Resources**: 614 | 615 | - [AWS](https://aws.amazon.com/) 616 | - [AWS S3](https://aws.amazon.com/s3/) 617 | - [DynamoDB](https://aws.amazon.com/dynamodb/) 618 | - [SQS/SNS](https://aws.amazon.com/blogs/dotnet/event-driven-net-applications-with-aws-lambda-and-amazon-eventbridge/) 619 | - [AWS Kinesis](https://docs.aws.amazon.com/sdk-for-net/v3/developer-guide/csharp_kinesis_code_examples.html) 620 | - [AWS Event Hubs](https://learn.microsoft.com/en-us/azure/event-hubs/event-hubs-dotnet-standard-getstarted-send) 621 | - [AWS Secrets Manager](https://docs.aws.amazon.com/secretsmanager/latest/userguide/intro.html) 622 | - [AWS Lambda](https://docs.aws.amazon.com/lambda/latest/dg/welcome.html) 623 | - [Azure](https://azure.microsoft.com/) 624 | - [Azure Functions](https://learn.microsoft.com/en-us/azure/azure-functions/functions-overview) 625 | - [Azure Service Bus](https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-dotnet-get-started-with-queues) 626 | - [Azure Event Hubs](https://learn.microsoft.com/en-us/azure/event-hubs/event-hubs-dotnet-standard-getstarted-send) 627 | - [Application Insights](https://learn.microsoft.com/en-us/azure/azure-monitor/app/app-insights-overview) 628 | - [Azure Key Vault](https://azure.microsoft.com/en-us/products/key-vault) 629 | - [Azure Storage](https://learn.microsoft.com/en-us/azure/storage/common/storage-introduction) 630 | - [Azure CosmosDB](https://learn.microsoft.com/en-us/azure/cosmos-db/) 631 | - [Google Cloud](https://cloud.google.com/) 632 | - [.NET Aspire](https://learn.microsoft.com/en-us/dotnet/aspire/get-started/aspire-overview/) *(cloud-native .NET application model for microservices) 633 | - API Gateway: 634 | - [Envoy](https://www.envoyproxy.io/) 635 | - [YARP](https://learn.microsoft.com/en-us/aspnet/core/fundamentals/servers/yarp/getting-started?view=aspnetcore-9.0) 636 | - [Nginx](https://nginx.org/) 637 | - [Service Discovery](https://learn.microsoft.com/en-us/dotnet/core/extensions/service-discovery?tabs=dotnet-cli) 638 | 639 | ### 15. Continuous Integration & Delivery (CI/CD) 640 | 641 | CI/CD automates the building, testing, and deployment stages into a streamlined, error-resistant pipeline. This means **faster releases, bug fixes, and more time to focus on feature development**. 642 | 643 | Here you need to know how to: 644 | 645 | - Build and deployment tools (MSBuild, dotnet CLI) 646 | - Version control systems (Git, Azure DevOps) 647 | - CI/CD platforms (GitHub Actions, Azure Pipelines, Jenkins, TeamCity) 648 | 649 | **Resources**: 650 | 651 | - [DevOps concepts](https://newsletter.techworld-with-milan.com/p/devops-roadmap-2023) 652 | - Services: 653 | - [GitHub Actions](https://github.com/features/actions) 654 | - [Gitlab CI](https://docs.gitlab.com/ee/ci) 655 | - [Azure Pipelines](https://azure.microsoft.com/en-us/services/devops/pipelines) 656 | - [AWS CodePipeline](https://aws.amazon.com/codepipeline/) 657 | - [Travis CI](https://travis-ci.org) 658 | - [Jenkins](https://www.jenkins.io) 659 | - [TeamCity](https://www.jetbrains.com/teamcity) 660 | - Infrastructure as code (IaC): 661 | - [Terraform](https://www.terraform.io/) 662 | - [Pulumi](https://www.pulumi.com/) 663 | - [Bicep](https://learn.microsoft.com/en-us/azure/azure-resource-manager/bicep/) 664 | 665 | Check the full [DevOps Roadmap](https://github.com/milanm/DevOps-Roadmap). 666 | 667 | ### 16. AI & Machine Learning 668 | 669 | AI & Machine Learning enable software to learn from data, recognize patterns, and generate insights without explicit programming. In the .NET ecosystem, AI is increasingly used for automation, predictions, recommendations, and natural language processing. 670 | 671 | While traditional machine learning relies on structured data and models, modern AI advances—such as large language models (LLMs)—enable applications to understand and generate human-like text, images, and code. Cloud providers like Azure AI and OpenAI offer ready-to-use AI APIs that integrate seamlessly into .NET applications. 672 | 673 | For a .NET developer, key areas to understand include: 674 | 675 | - Basic Machine Learning concepts – classification, regression, and neural networks 676 | - AI-powered applications – using LLMs, chatbots, and intelligent search 677 | - Cloud AI Services – leveraging Azure AI and OpenAI APIs 678 | 679 | **Resources**: 680 | 681 | - [ML.NET](https://dotnet.microsoft.com/en-us/apps/machinelearning-ai/ml-dotnet) 682 | - [ONNX Runtime](https://onnxruntime.ai/) 683 | - [Semantic Kernel](https://github.com/microsoft/semantic-kernel) 684 | - [OpenAI .NET SDK](https://platform.openai.com/docs/) 685 | - [Azure AI Services](https://azure.microsoft.com/en-us/products/cognitive-services/) 686 | - AI Tools: 687 | - Chat-based 688 | - [ChatGPT](https://openai.com/chatgpt) 689 | - [Claude](https://www.anthropic.com/index/claude-ai) 690 | - Web-based 691 | - [Bolt](https://bolt.new/) 692 | - [Replit](https://replit.com/) 693 | - [Loveable](https://lovable.dev/) 694 | - Agentic 695 | - [GitHub Copilot](https://github.com/features/copilot) 696 | - [Aider](https://aider.chat/) 697 | - [TabbyML](https://tabbyml.com/) 698 | - IDE 699 | - [Windsurf](https://windsurf.com/) 700 | - [Cursor](https://www.cursor.com/) 701 | 702 | ### 17. NET Libraries 703 | 704 | Some useful .NET libraries. Note that not all libraries will be used by everyone, it mainly depends on a project you work on. 705 | 706 | - **[MediatR](https://github.com/jbogard/MediatR)** – Mediator pattern implementation in .NET 707 | - **[Polly](https://github.com/App-vNext/Polly)** – Fault-handling library that allows expressing policies such as Retry and Circuit Breaker. 708 | - **[Benchmark.NET](https://github.com/dotnet/BenchmarkDotNet)** – .NET library for benchmarking. 709 | - **[YARP](https://microsoft.github.io/reverse-proxy/)** – Reverse proxy server. 710 | - **[Swashbuckle](https://github.com/domaindrivendev/Swashbuckle.AspNetCore)** – Swagger tools for documenting API's built on ASP.NET Core. (*Not supported from .NET 9, check [NSwag](https://github.com/RicoSuter/NSwag)*) 711 | - **[FluentValidation](https://github.com/JeremySkinner/FluentValidation)** – The most popular library for building strongly-typed validation rules with fluent syntax. 712 | - **Object Mapping** – Libraries for transforming between domain models, DTOs, and view models: 713 | - **[AutoMapper](https://github.com/AutoMapper/AutoMapper)** – Convention-based mapping using profiles. 714 | - **[Mapster](https://github.com/MapsterMapper/Mapster)** – Lightweight, fast, and flexible. 715 | - **[Mapperly](https://github.com/riok/mapperly)** – Compile-time, source generator-based mapper for performance and type safety. 716 | 717 | ## Additional considerations 718 | 719 | In addition to this, you also need to know the following: 720 | 721 | ### Performance best practices 722 | 723 | Performances play an essential role in .NET applications. Here you need to know: 724 | 725 | #### Profiling and diagnostics 726 | 727 | These tools can help you identify and debug different performance bottlenecks you have in your code. For this, you can use other tools, such as: 728 | 729 | - [PerfView](https://joshthecoder.com/2023/10/23/using-perfview-to-diagnose-high-cpu-in-an-aspnet-app.html) 730 | - [Visual Studio Profiler](https://learn.microsoft.com/en-us/visualstudio/profiling/profiling-feature-tour?view=vs-2022) 731 | - [dotTrace](https://www.jetbrains.com/profiler/) and [dotMemory](https://www.jetbrains.com/dotmemory/) 732 | 733 | #### Performances 101 734 | 735 | Along with tools, you should be aware of different performance best practices for .NET: 736 | 737 | - **Caching** (in-mem Memory Cache or Redis) 738 | 739 | - **Database Optimization** (optimize queries, proper indexing, connection pooling) 740 | 741 | - **Async Programming** (offload all CPU extensive or I/O bound operations to DB, file systems, ext. systems) 742 | 743 | - **Use Entity Framework wisely** (use eager loading, projections, and optimizations like compiled queries) 744 | 745 | - **Memory management** (use value types and be cautious with large object graphs. Use dispose pattern to db connections or streams. Avoid boxing/unboxing. Use StringBuilder instead of String for a large number of concatenations.) 746 | 747 | - **HTTP Caching** (use ETags, Last-Modified headers) 748 | 749 | - **Minimize Round-Trips** (reduce the number of HTTP requests and database round-trips) 750 | 751 | - **Content Delivery Networks (CDNs)** (Offload static assets (CSS, JavaScript, images) to CDNs for faster delivery to users) 752 | 753 | - **Compression** (Enable GZIP or Brotli compression for HTTP responses to reduce data transfer size) 754 | 755 | - **Logging and Tracing** (Avoid excessive logging in production. Use distributed tracing across microservices.) 756 | 757 | - **Parallelism and Concurrency** (Utilize parallelism and multithreading for CPU-bound tasks using Parallel class or Task Parallel Library (TPL)) 758 | 759 | - **Resource Optimization** (Optimize images and assets for the Web to reduce load times) 760 | 761 | - **HTTP2 over SSL** (now make intelligent decisions about the page content) 762 | 763 | - **Measure and Monitor Performance** (use VS Diagnostic Tools, App Insights, or BenchmarkDotNet) 764 | 765 | - **Use Span<> instead of collections** (spans can represent a contiguous section of memory; this means we can use them to operate over arrays) 766 | 767 | Check more about performances in the [Awesome .NET Performance](https://github.com/adamsitnik/awesome-dot-net-performance) repo. 768 | 769 | ### Security and Cryptography 770 | 771 | Security plays an essential role in application development. The most critical aspects of security in the .NET world are: 772 | 773 | - [**Authentication and Authorization**](https://learn.microsoft.com/en-us/aspnet/web-api/overview/security/authentication-and-authorization-in-aspnet-web-api) concepts: 774 | - Cookies 775 | - ASP.NET Core Identity for user management 776 | - .NET OIDC middleware 777 | - OAuth and OpenID Connect for 3rd-party authentication 778 | - JWT (JSON Web Tokens) for token-based authentication 779 | - Role-based and claims-based authorization 780 | 781 | - [**Cryptography and Data Protection**](https://learn.microsoft.com/en-us/dotnet/standard/security/cross-platform-cryptography) concepts: 782 | - Symmetric and asymmetric encryption algorithms 783 | - .NET Core Data Protection APIs 784 | - Hashing and digital signatures 785 | - Secure random number generation 786 | 787 | ## Additional learning resources 788 | 789 | - [Pluralsight learning platform](https://www.pluralsight.com/browse?q=C%20sharp&type=all&sort=highest) - Learn C#/.NET mostly from Microsoft MVPs. 790 | - [Awesome .NET!](https://github.com/quozd/awesome-dotnet) - A collection of awesome .NET libraries, tools, frameworks, and software. 791 | - [Microsoft .NET Architecture Guides](https://dotnet.microsoft.com/en-us/learn/dotnet/architecture-guides) - Learn how to build production-ready .NET apps with free application architecture guidance. 792 | 793 | ### Books 794 | 795 | #### Beginners 796 | - [Learn C# in One Day and Learn It Well](https://amzn.to/3Qld3fT), Jamie Chan - the best for beginners (Rating: 4.4/5) 797 | - [C#: Programming Basics for Absolute Beginners](https://amzn.to/4kbSNcC), Nathan Clark (Rating: 4/5) 798 | - [Starting out with Visual C#](https://amzn.to/4jULLsY), Tony Gaddis (Rating: 4.7/5) 799 | - [The C# Yellow book](http://www.csharpcourse.com/) (free) - the best book overall (Rating: 4.4/5) 800 | 801 | #### Intermediate 802 | 803 | - [C# in Depth: Fourth Edition](https://amzn.to/3ZPcZbq) by Jon Skeet - the best for intermediate (Rating: 4.6/5) 804 | - [Agile Principles, Patterns, and Practices in C#](https://amzn.to/43gXwDd) by Robert Martin, Micah Martin (Rating: 4.5/5) 805 | - [Adaptive Code via C#: Agile coding with design patterns and SOLID principles](https://amzn.to/43f4E2W) by Gary McLean Hall (Rating: 4.5/5) 806 | - [Head First C#: A Learner’s Guide to Real-World Programming with C# and .NET Core](https://amzn.to/3S3sB85) by Andrew Stellman, Jennifer Greene (Rating: 4.5/5) 807 | - [C# 12 in a Nutshell: The Definitive Reference](https://amzn.to/43f4LeS) by Joseph Albahari (Rating: 4.6/5) 808 | - [C# 13 and .NET 9 – Modern Cross-Platform Development Fundamentals](https://amzn.to/4k5na4I) by Mark J. Price (Rating: 4.6/5) 809 | - [Dependency Injection Principles, Practices, and Patterns](https://amzn.to/43MStur) by Mark Seemann, Steven van Deursen (Rating: 4.7/5) 810 | 811 | #### Advanced 812 | - [Concurrency in C# Cookbook: Asynchronous, Parallel, and Multithreaded Programming](https://amzn.to/490EMtu) - the best for advanced (Rating: 4.6/5) 813 | - [Professional C# and .NET](https://amzn.to/458YHHb) by Christian Nagel (Rating: 4.3/5) 814 | - [CLR via C#](https://amzn.to/4j3AyFp) by Jeffrey Richter (Rating: 4.6/5) 815 | - [Functional Programming in C#: How to write better C# code](https://amzn.to/4mgURSr) (Rating: 4.6/5) 816 | 817 | ![Roadmap](Books.jpg) 818 | 819 | ### YouTube Channels 820 | 821 | - [IAmTimCorey](https://www.youtube.com/user/IAmTimCorey) 822 | - [Programming with Mosh](https://www.youtube.com/user/programmingwithmosh) 823 | - [Nick Chapsas](https://www.youtube.com/channel/UCrkPsvLGln62OMZRO6K-llg) 824 | - [Milan Jovanovic](https://www.youtube.com/@MilanJovanovicTech) 825 | - [Zoran Horvat](https://www.youtube.com/@zoran-horvat) 826 | - [CodeOpinion](https://www.youtube.com/watch?v=_rgH0Kb9Bis), by Derek Comartin 827 | - freeCodeCamp 828 | - [C# Tutorial - Full Course for Beginners](https://www.youtube.com/watch?v=GhQdlIFylQ8) (3h) 829 | - [Advanced C# Programming Course](https://www.youtube.com/watch?v=YT8s-90oDC0) (15h) 830 | - [Raw Coding](https://www.youtube.com/@RawCoding) 831 | - [Gui Fereira](https://www.youtube.com/@gui.ferreira) 832 | 833 | ### Blogs 834 | 835 | - Official [.NET Blog](https://devblogs.microsoft.com/dotnet/) 836 | - [The Morning Dew](https://www.alvinashcraft.com/), aggregator of different info about .NET world, by Alvin Ashcraft. 837 | - [You’ve Been Haacked](https://haacked.com/), by Phil Haack. 838 | - [Eric Lippert's blog](https://ericlippert.com/), who worked on C# compiler team. 839 | - [Steve Smith](https://ardalis.com/), who focus on code qualiy and DDD. 840 | - [Andrew Lock](https://andrewlock.net/), Senior Engineer at Datadog 841 | - [Scott Hanselman](https://www.hanselman.com/blog/), Partner Program Manager at Microsoft 842 | - [Rick Strahl's Web Log](https://weblog.west-wind.com/), focus on web and desktop apps in .NET. 843 | - [Adam Sitnik](https://adamsitnik.com/), an expert on .NET Performance and Reliability. 844 | - [Jimmy Bogard](https://www.jimmybogard.com/), creator of AutoMapper. 845 | - [Vladimir Khorikov](https://enterprisecraftsmanship.com/), and expert in Testing. 846 | - [Ayende @ Rahien](https://ayende.com/blog/), written by Oren Eini, creator of RavenDB. 847 | - [Maarten Balliauw](https://blog.maartenballiauw.be/), Developer Advocate at JetBrains. 848 | - [Khalid Abuhakmeh’s Blog](https://khalidabuhakmeh.com/), Developer Advocate at JetBrains. 849 | - [Stephen Cleary](https://blog.stephencleary.com/), the author of "Concurrency in C# Cookbook" 850 | - [Scott Brady](https://www.scottbrady91.com/articles), an expert on OAuth and web security. 851 | - [Jiří Činčura](https://www.tabsoverspaces.com/), a project lead for ADO.NET provider for Firebird DB. 852 | - [Coding Militia](https://blog.codingmilitia.com/), by João Antunes (Microsoft MVP). 853 | - [Michael Shpilt](https://michaelscodingspot.com/), a software developer working at Microsoft 854 | - [Mark Seemann](https://blog.ploeh.dk/), explains concepts that are not commonly blogged about with C#. 855 | - [Steven Giesel](https://steven-giesel.com/), Microsoft MVP 856 | - [Code Maze Weekly](https://code-maze.com/), articles on .NET, weekly. 857 | 858 | ### Podcasts 859 | 860 | - [.NET Rocks!](https://www.dotnetrocks.com/) 861 | - [Rockin' the Code World with Dot Net Dave](https://www.c-sharpcorner.com/live/rockin-the-code-world-with-dotnetdave) 862 | - [The Modern .NET Show](https://dotnetcore.show/) 863 | 864 | ### Other [.NET Content creators](https://www.wearedotnet.io/) 865 | 866 | ## Tools 867 | 868 | - [Git](https://github.com/git-guides/install-git) and some [GUI clients](https://www.hostinger.com/tutorials/best-git-gui-clients/) - Distibuted source control system. 869 | - [Visual Studio](https://visualstudio.microsoft.com/) - Main code editor for .NET projects. 870 | - [Visual Studio Code](https://code.visualstudio.com/) - Lightweight code editor for different tech stacks, including .NET. 871 | - [Rider](https://www.jetbrains.com/rider/) - Cross-Platform .NET IDE from JetBrains. 872 | - [SQL Server Management Studio](https://docs.microsoft.com/en-us/sql/ssms/download-sql-server-management-studio-ssms?view=sql-server-ver15) / [Azure Data Studio](https://azure.microsoft.com/en-us/products/data-studio/) - IDE for managing any SQL infrastructure, from SQL Server to Azure SQL Database. 873 | - [LINQPad](https://www.linqpad.net/) - interactively query databases with LINQ. 874 | - [ReSharper](https://www.jetbrains.com/resharper/) - rapid refactoring. 875 | - [.NET Reflector](https://www.red-gate.com/products/reflector/) - .NET decompiler. 876 | - [Postman](https://www.postman.com/) - platform for testing APIs. 877 | - [NDepend](https://www.ndepend.com/) - static code analyzer. 878 | - [NCrunch for Visual Studio](https://www.ncrunch.net/) - enables developers to run tests in the background as they write code. 879 | 880 | ## Wrap Up 881 | 882 | If you think the roadmap can be improved, please open a PR with any updates and submit any issues. Also, I will continue to improve this, so you should star this repository, too. 883 | 884 | ## Contribution 885 | 886 | - Open a pull request with improvements 887 | - Discuss ideas in issues 888 | - Spread the word 889 | 890 | ## License 891 | 892 | [![License](https://img.shields.io/badge/License-Apache_2.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) 893 | 894 | ## Author 895 | 896 | [Dr. Milan Milanović](https://milan.milanovic.org) - CTO at [3MD](https://3mdinc.com) and Microsoft MVP for Developer Technologies. 897 | -------------------------------------------------------------------------------- /csharp-mindmap.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/csharp-mindmap.png -------------------------------------------------------------------------------- /csharp-timeline.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/csharp-timeline.png -------------------------------------------------------------------------------- /patreon.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/patreon.png -------------------------------------------------------------------------------- /release-schedule.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/milanm/DotNet-Developer-Roadmap/cc4105847b02a77dd751941c2b99678d94652651/release-schedule.png --------------------------------------------------------------------------------