PostgreSQL database

.env.dev

@@ -0,0 +1,7 @@
+SQL_ENGINE=django.db.backends.postgresql
+SQL_DATABASE=hello_django_dev
+SQL_USER=hello_django
+SQL_PASSWORD=hello_django
+SQL_HOST=db
+SQL_PORT=5432
+DATABASE=postgres

.env.prod

@@ -0,0 +1,7 @@
+SQL_ENGINE=django.db.backends.postgresql
+SQL_DATABASE=hello_django_prod
+SQL_USER=hello_django
+SQL_PASSWORD=hello_django
+SQL_HOST=db
+SQL_PORT=5432
+DATABASE=postgres

backend/requirements.txt

@@ -3,4 +3,5 @@ djoser==2.0.5
 djangorestframework==3.11.2 # https://github.com/sunscrapers/djoser/issues/541
 markdown==3.3 
 django-filter==2.4.0
-django_cors_headers==3.5.0
+django_cors_headers==3.5.0
+psycopg2-binary>=2.8

backend/server/server/settings.py

@@ -10,6 +10,7 @@
 https://docs.djangoproject.com/en/3.1/ref/settings/
 """
 
+import os
 from pathlib import Path
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
@@ -120,9 +121,13 @@
 # https://docs.djangoproject.com/en/3.1/ref/settings/#databases
 
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+    "default": {
+        "ENGINE": os.environ.get("SQL_ENGINE", "django.db.backends.sqlite3"),
+        "NAME": os.environ.get("SQL_DATABASE", BASE_DIR / "db.sqlite3"),
+        "USER": os.environ.get("SQL_USER", "user"),
+        "PASSWORD": os.environ.get("SQL_PASSWORD", "password"),
+        "HOST": os.environ.get("SQL_HOST", "localhost"),
+        "PORT": os.environ.get("SQL_PORT", "5432"),
     }
 }
 

docker-compose-dev.yml

@@ -1,6 +1,14 @@
 version: '2'
 
 services:
+    db:
+        image: postgres:13.0-alpine
+        volumes:
+            - postgres_data:/var/lib/postgresql/data/
+        environment:
+            - POSTGRES_USER=hello_django
+            - POSTGRES_PASSWORD=hello_django
+            - POSTGRES_DB=hello_django_dev
     nginx: 
         restart: unless-stopped
         build:
@@ -18,14 +26,17 @@ services:
         build:
             context: .
             dockerfile: ./docker/backend/Dockerfile
-        volumes:
-
         entrypoint: /app/docker/backend/wsgi-entrypoint.sh
         volumes:
             - .:/app
             - static_volume:/app/backend/server/django_static
         expose:
-            - 8000        
+            - 8000      
+        env_file:
+            - ./.env.dev
+        depends_on:
+            - db  
 
 volumes:
-    static_volume: {}
+    postgres_data: 
+    static_volume: 

docker-compose.yml

@@ -1,6 +1,14 @@
 version: '2'
 
 services:
+    db:
+        image: postgres:13.0-alpine
+        volumes:
+            - postgres_data:/var/lib/postgresql/data/
+        environment:
+            - POSTGRES_USER=hello_django
+            - POSTGRES_PASSWORD=hello_django
+            - POSTGRES_DB=hello_django_prod
     nginx: 
         restart: unless-stopped
         build:
@@ -33,6 +41,11 @@ services:
             - static_volume:/app/backend/server/django_static
         expose:
             - 8000        
+        env_file:
+            - ./.env.prod
+        depends_on:
+            - db
 
 volumes:
-    static_volume: {}
+    static_volume: 
+    postgres_data: