├── .editorconfig
├── .gitignore
├── LICENSE
├── README.md
├── api
    ├── .gitignore
    ├── Dockerfile
    ├── main.go
    └── sanity_test.go
├── cover.jpg
├── docker-compose.yaml
└── web
    ├── Dockerfile
    └── index.html


/.editorconfig:
--------------------------------------------------------------------------------
 1 | root = true
 2 | 
 3 | [*]
 4 | charset = utf-8
 5 | indent_style = space
 6 | indent_size = 2
 7 | insert_final_newline = true
 8 | trim_trailing_whitespace = true
 9 | 
10 | [*.md]
11 | max_line_length = off
12 | trim_trailing_whitespace = false
13 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | # Binaries for programs and plugins
 2 | *.exe
 3 | *.dll
 4 | *.so
 5 | *.dylib
 6 | 
 7 | # Test binary, build with `go test -c`
 8 | *.test
 9 | 
10 | # Output of the go coverage tool, specifically when used with LiteIDE
11 | *.out
12 | 
13 | # Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
14 | .glide/
15 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2017 Tin Rabzelj
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # How to Keep Your Development Environment Clean
2 | 
3 | <p align="center">
4 |   <img src="./cover.jpg"/>
5 | </p>
6 | 
7 | This is the underlying code for [How to Keep Your Development Environment Clean](https://outcrawl.com/clean-development-environment-docker/) article.
8 | 


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/api/.gitignore:
--------------------------------------------------------------------------------
1 | tmp
2 | 


--------------------------------------------------------------------------------
/api/Dockerfile:
--------------------------------------------------------------------------------
 1 | FROM golang:1.12.1
 2 | 
 3 | RUN adduser --disabled-password --gecos '' api
 4 | USER api
 5 | 
 6 | WORKDIR /go/src/app
 7 | COPY . .
 8 | 
 9 | RUN go get github.com/pilu/fresh
10 | RUN go get ./...
11 | 
12 | CMD [ "fresh" ]
13 | 


--------------------------------------------------------------------------------
/api/main.go:
--------------------------------------------------------------------------------
 1 | package main
 2 | 
 3 | import (
 4 | 	"encoding/json"
 5 | 	"io/ioutil"
 6 | 	"log"
 7 | 	"net/http"
 8 | 	"os"
 9 | 	"time"
10 | 
11 | 	"github.com/rs/cors"
12 | 
13 | 	"github.com/gorilla/mux"
14 | 	"gopkg.in/mgo.v2"
15 | )
16 | 
17 | type Post struct {
18 | 	Text      string    `json:"text" bson:"text"`
19 | 	CreatedAt time.Time `json:"createdAt" bson:"created_at"`
20 | }
21 | 
22 | var posts *mgo.Collection
23 | 
24 | func main() {
25 | 	// Connect to mongo
26 | 	session, err := mgo.Dial("mongo:27017")
27 | 	if err != nil {
28 | 		log.Fatalln(err)
29 | 		log.Fatalln("mongo err")
30 | 		os.Exit(1)
31 | 	}
32 | 	defer session.Close()
33 | 	session.SetMode(mgo.Monotonic, true)
34 | 
35 | 	// Get posts collection
36 | 	posts = session.DB("app").C("posts")
37 | 
38 | 	// Set up routes
39 | 	r := mux.NewRouter()
40 | 	r.HandleFunc("/posts", createPost).
41 | 		Methods("POST")
42 | 	r.HandleFunc("/posts", readPosts).
43 | 		Methods("GET")
44 | 
45 | 	http.ListenAndServe(":8080", cors.AllowAll().Handler(r))
46 | 	log.Println("Listening on port 8080...")
47 | }
48 | 
49 | func createPost(w http.ResponseWriter, r *http.Request) {
50 | 	// Read body
51 | 	data, err := ioutil.ReadAll(r.Body)
52 | 	if err != nil {
53 | 		responseError(w, err.Error(), http.StatusBadRequest)
54 | 		return
55 | 	}
56 | 
57 | 	// Read post
58 | 	post := &Post{}
59 | 	err = json.Unmarshal(data, post)
60 | 	if err != nil {
61 | 		responseError(w, err.Error(), http.StatusBadRequest)
62 | 		return
63 | 	}
64 | 	post.CreatedAt = time.Now().UTC()
65 | 
66 | 	// Insert new post
67 | 	if err := posts.Insert(post); err != nil {
68 | 		responseError(w, err.Error(), http.StatusInternalServerError)
69 | 		return
70 | 	}
71 | 
72 | 	responseJSON(w, post)
73 | }
74 | 
75 | func readPosts(w http.ResponseWriter, r *http.Request) {
76 | 	result := []Post{}
77 | 	if err := posts.Find(nil).Sort("-created_at").All(&result); err != nil {
78 | 		responseError(w, err.Error(), http.StatusInternalServerError)
79 | 	} else {
80 | 		responseJSON(w, result)
81 | 	}
82 | }
83 | 
84 | func responseError(w http.ResponseWriter, message string, code int) {
85 | 	w.Header().Set("Content-Type", "application/json")
86 | 	w.WriteHeader(code)
87 | 	json.NewEncoder(w).Encode(map[string]string{"error": message})
88 | }
89 | 
90 | func responseJSON(w http.ResponseWriter, data interface{}) {
91 | 	w.Header().Set("Content-Type", "application/json")
92 | 	json.NewEncoder(w).Encode(data)
93 | }
94 | 


--------------------------------------------------------------------------------
/api/sanity_test.go:
--------------------------------------------------------------------------------
1 | package main
2 | 
3 | import "testing"
4 | 
5 | func TestSanity(t *testing.T) {
6 | 	t.Log("Has sanity")
7 | }
8 | 


--------------------------------------------------------------------------------
/cover.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/tinrab/go-mongo-docker-example/eae04464104e8685bbb3cc9c3861f9c07537f3a3/cover.jpg


--------------------------------------------------------------------------------
/docker-compose.yaml:
--------------------------------------------------------------------------------
 1 | version: '3.3'
 2 | services:
 3 |   api:
 4 |     container_name: 'api'
 5 |     build: './api'
 6 |     ports:
 7 |       - '8080:8080'
 8 |     volumes:
 9 |       - './api:/go/src/app'
10 |     depends_on:
11 |       - 'mongo'
12 |   web:
13 |     container_name: 'web'
14 |     image: 'nginx:latest'
15 |     ports:
16 |       - '8081:80'
17 |     volumes:
18 |       - './web:/usr/share/nginx/html'
19 |     depends_on:
20 |       - 'api'
21 |   mongo:
22 |     image: 'mongo:latest'
23 |     container_name: 'mongo'
24 |     ports:
25 |       - '27100:27017'
26 | 


--------------------------------------------------------------------------------
/web/Dockerfile:
--------------------------------------------------------------------------------
1 | FROM nginx
2 | 
3 | RUN adduser --disabled-password --gecos '' web
4 | USER web
5 | 
6 | COPY . /usr/share/nginx/html
7 | 


--------------------------------------------------------------------------------
/web/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | 
 4 | <head>
 5 |   <meta charset="utf-8">
 6 |   <title>Dockerized Posts</title>
 7 |   <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
 8 | </head>
 9 | 
10 | <body>
11 |   <h1>Dockerized Posts</h1>
12 |   <form id="form">
13 |     <input type="text"
14 |            placeholder="New post..."
15 |            id="post-input">
16 |   </form>
17 |   <div id="posts"></div>
18 |   <script>
19 |     $(document).ready(function() {
20 |       $.get('http://localhost:8080/posts', function(posts) {
21 |         $list = $('#posts');
22 |         for (var i = 0; i < posts.length; i++) {
23 |           $list.append('<p>' + posts[i].text + '</p>');
24 |         }
25 |       });
26 |       $('#form').submit(function(event) {
27 |         event.preventDefault();
28 |         var text = $('#post-input').val();
29 |         $.post(
30 |           'http://localhost:8080/posts',
31 |           JSON.stringify({text: text}),
32 |           function() {
33 |             location.reload();
34 |           }
35 |         );
36 |       });
37 |     });
38 |   </script>
39 | </body>
40 | 
41 | </html>
42 | 


--------------------------------------------------------------------------------