├── .dockerignore
├── .gitignore
├── Dockerfile
├── README.md
├── pom.xml
└── src
    └── main
        ├── java
            └── com
            │   └── zufarexplainedit
            │       └── hello
            │           ├── HelloApplication.java
            │           └── HelloController.java
        └── resources
            └── application.yml


/.dockerignore:
--------------------------------------------------------------------------------
 1 | HELP.md
 2 | target/
 3 | !.mvn/wrapper/maven-wrapper.jar
 4 | !**/src/main/**/target/
 5 | !**/src/test/**/target/
 6 | 
 7 | ### STS ###
 8 | .apt_generated
 9 | .classpath
10 | .factorypath
11 | .project
12 | .settings
13 | .springBeans
14 | .sts4-cache
15 | 
16 | ### IntelliJ IDEA ###
17 | .idea
18 | *.iws
19 | *.iml
20 | *.ipr
21 | 
22 | ### NetBeans ###
23 | /nbproject/private/
24 | /nbbuild/
25 | /dist/
26 | /nbdist/
27 | /.nb-gradle/
28 | build/
29 | !**/src/main/**/build/
30 | !**/src/test/**/build/
31 | 
32 | ### VS Code ###
33 | .vscode/
34 | 
35 | ### Git ###
36 | .git/
37 | .gitignore
38 | 
39 | ### Docker ###
40 | Dockerfile
41 | .dockerignore


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/.gitignore:
--------------------------------------------------------------------------------
 1 | HELP.md
 2 | target/
 3 | !.mvn/wrapper/maven-wrapper.jar
 4 | !**/src/main/**/target/
 5 | !**/src/test/**/target/
 6 | 
 7 | ### STS ###
 8 | .apt_generated
 9 | .classpath
10 | .factorypath
11 | .project
12 | .settings
13 | .springBeans
14 | .sts4-cache
15 | 
16 | ### IntelliJ IDEA ###
17 | .idea
18 | *.iws
19 | *.iml
20 | *.ipr
21 | 
22 | ### NetBeans ###
23 | /nbproject/private/
24 | /nbbuild/
25 | /dist/
26 | /nbdist/
27 | /.nb-gradle/
28 | build/
29 | !**/src/main/**/build/
30 | !**/src/test/**/build/
31 | 
32 | ### VS Code ###
33 | .vscode/
34 | 


--------------------------------------------------------------------------------
/Dockerfile:
--------------------------------------------------------------------------------
 1 | ARG HOME_APP=/opt/app
 2 | 
 3 | FROM maven:3.8.3-openjdk-17 as maven_build
 4 | ARG HOME_APP
 5 | WORKDIR $HOME_APP
 6 | ADD pom.xml .
 7 | RUN mvn verify --fail-never
 8 | ADD . .
 9 | RUN mvn package
10 | 
11 | FROM eclipse-temurin:17-jre-jammy
12 | ARG HOME_APP
13 | WORKDIR $HOME_APP
14 | COPY --from=maven_build $HOME_APP/target/hello-0.0.1-SNAPSHOT.jar .
15 | ENTRYPOINT ["java", "-jar", "hello-0.0.1-SNAPSHOT.jar" ]
16 | 


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/README.md:
--------------------------------------------------------------------------------
1 | Sample app used in Zufar Sunagatov's article on DevOps CI/CD pipeline in HackerNoon
2 | * https://hackernoon.com/building-a-cicd-pipeline-with-aws-k8s-docker-ansible-git-github-apache-maven-and-jenkins
3 | 


--------------------------------------------------------------------------------
/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 3 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 4 | 
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <parent>
 8 |         <groupId>org.springframework.boot</groupId>
 9 |         <artifactId>spring-boot-starter-parent</artifactId>
10 |         <version>2.5.4</version>
11 |         <relativePath/>
12 |     </parent>
13 | 
14 |     <groupId>com.zufarexplainedit</groupId>
15 |     <artifactId>hello</artifactId>
16 |     <version>0.0.1-SNAPSHOT</version>
17 |     <name>Hello</name>
18 |     <description>Hello</description>
19 | 
20 |     <developers>
21 |         <developer>
22 |             <name>Zufar Sunagatov</name>
23 |             <organization>Zufar Explaind IT</organization>
24 |             <roles>
25 |                 <role>Owner</role>
26 |                 <role>Developer</role>
27 |             </roles>
28 |         </developer>
29 |     </developers>
30 | 
31 |     <properties>
32 |         <java.version>11</java.version>
33 |         <maven.compiler.source>11</maven.compiler.source>
34 |         <maven.compiler.target>11</maven.compiler.target>
35 |     </properties>
36 | 
37 |     <dependencies>
38 |         <dependency>
39 |             <groupId>org.springframework.boot</groupId>
40 |             <artifactId>spring-boot-starter-web</artifactId>
41 |         </dependency>
42 |         <dependency>
43 |             <groupId>org.springframework.boot</groupId>
44 |             <artifactId>spring-boot-starter-actuator</artifactId>
45 |         </dependency>
46 |         <dependency>
47 |             <groupId>io.micrometer</groupId>
48 |             <artifactId>micrometer-registry-prometheus</artifactId>
49 |         </dependency>
50 |     </dependencies>
51 | 
52 |     <build>
53 |         <plugins>
54 |             <plugin>
55 |                 <groupId>org.springframework.boot</groupId>
56 |                 <artifactId>spring-boot-maven-plugin</artifactId>
57 |             </plugin>
58 |         </plugins>
59 |     </build>
60 | 
61 | </project>
62 | 


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/src/main/java/com/zufarexplainedit/hello/HelloApplication.java:
--------------------------------------------------------------------------------
 1 | package com.zufarexplainedit.hello;
 2 | 
 3 | import org.springframework.boot.SpringApplication;
 4 | import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 | 
 6 | @SpringBootApplication
 7 | public class HelloApplication {
 8 | 
 9 |     public static void main(String[] args) {
10 |         SpringApplication.run(HelloApplication.class, args);
11 |     }
12 | 
13 | }
14 | 


--------------------------------------------------------------------------------
/src/main/java/com/zufarexplainedit/hello/HelloController.java:
--------------------------------------------------------------------------------
 1 | package com.zufarexplainedit.hello;
 2 | 
 3 | import org.springframework.http.ResponseEntity;
 4 | import org.springframework.web.bind.annotation.GetMapping;
 5 | import org.springframework.web.bind.annotation.RequestMapping;
 6 | import org.springframework.web.bind.annotation.RestController;
 7 | 
 8 | @RestController
 9 | @RequestMapping
10 | public class HelloController {
11 | 
12 |     @GetMapping
13 |     public ResponseEntity<String> getGreeting() {
14 |         String message = "Hello World!";
15 |         return ResponseEntity.ok()
16 |                 .body(message);
17 |     }
18 | }
19 | 
20 | 


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/src/main/resources/application.yml:
--------------------------------------------------------------------------------
 1 | server:
 2 |   port: 8080
 3 | 
 4 | management:
 5 |   endpoints:
 6 |     web:
 7 |       exposure:
 8 |         include: health,prometheus
 9 |   metrics:
10 |     export:
11 |       prometheus:
12 |         enabled: true
13 |     distribution:
14 |       percentiles-histogram:
15 |         "[http.server.requests]": true


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