docker-compose dev and prod files

Author: glebmikha

.env

@@ -0,0 +1,8 @@
+SECRET_KEY=please_change_me
+SQL_ENGINE=django.db.backends.postgresql
+SQL_DATABASE=postgres
+SQL_USER=postgres
+SQL_PASSWORD=postgres
+SQL_HOST=db
+SQL_PORT=5432
+DATABASE=postgres

README.md

@@ -10,8 +10,20 @@ Check out the [post](https://testdriven.io/dockerizing-django-with-postgres-guni
 
 1. Build the images and run the containers:
 
+    - development (django default server):
+
     ```sh
     $ docker-compose up -d --build
     ```
+    Test it out at [http://localhost:8000](http://localhost:8000)
+
+    App's folder is mounted into container and your changes apply automatically.
+
+    - production (gunicorn + nginx):
+
+    ```sh
+    $ docker-compose -f docker-compose.prod.yml up --build -d
+    ```
+    No mounted folders -- to apply changes container should be rebuilt
 
-1. Test it out at [http://localhost:1337](http://localhost:1337)
+    Test it out at [http://localhost:1337](http://localhost:1337)

app/hello_django/urls.py

@@ -1,9 +1,14 @@
 from django.contrib import admin
 from django.urls import path
+from django.conf import settings
+from django.conf.urls.static import static
 
 from upload.views import image_upload
 
 urlpatterns = [
     path('', image_upload, name='upload'),
     path('admin/', admin.site.urls),
 ]
+
+# to allow static in development mode. it could be removed when run via nginx
+urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

docker-compose.prod.yml

@@ -0,0 +1,32 @@
+version: '3.7'
+
+services:
+  web:
+    build: ./app
+    command: gunicorn hello_django.wsgi:application --bind 0.0.0.0:8000
+    volumes:
+      - static_volume:/usr/src/app/staticfiles
+      - media_volume:/usr/src/app/mediafiles
+    expose:
+      - 8000
+    env_file: .env
+    depends_on:
+      - db
+  db:
+    image: postgres:10.5-alpine
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+  nginx:
+    build: ./nginx
+    volumes:
+      - static_volume:/usr/src/app/staticfiles
+      - media_volume:/usr/src/app/mediafiles
+    ports:
+      - 1337:80
+    depends_on:
+      - web
+
+volumes:
+  postgres_data:
+  static_volume:
+  media_volume:

docker-compose.yml

@@ -3,39 +3,18 @@ version: '3.7'
 services:
   web:
     build: ./app
-    command: gunicorn hello_django.wsgi:application --bind 0.0.0.0:8000
+    command: python manage.py runserver 0.0.0.0:8000
     volumes:
       - ./app/:/usr/src/app/
-      - static_volume:/usr/src/app/staticfiles
-      - media_volume:/usr/src/app/mediafiles
-    expose:
-      - 8000
-    environment:
-      - SECRET_KEY=please_change_me
-      - SQL_ENGINE=django.db.backends.postgresql
-      - SQL_DATABASE=postgres
-      - SQL_USER=postgres
-      - SQL_PASSWORD=postgres
-      - SQL_HOST=db
-      - SQL_PORT=5432
-      - DATABASE=postgres
+    ports:
+      - "8000:8000"
+    env_file: .env
     depends_on:
       - db
   db:
     image: postgres:10.5-alpine
     volumes:
       - postgres_data:/var/lib/postgresql/data/
-  nginx:
-    build: ./nginx
-    volumes:
-      - static_volume:/usr/src/app/staticfiles
-      - media_volume:/usr/src/app/mediafiles
-    ports:
-      - 1337:80
-    depends_on:
-      - web
 
 volumes:
   postgres_data:
-  static_volume:
-  media_volume: