trying to test deployment docker compose file

.env.sample

@@ -0,0 +1,5 @@
+DB_NAME=dbname
+DB_USER=rootuser
+DB_PASS=changeme
+DJANGO_SECRET_KEY=changeme
+DJANGO_ALLOWED_HOSTS=127.0.0.1

app/app/settings.py

@@ -21,12 +21,18 @@
 # See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-=31wv7=*=_g#x%p5o4^v-9a_h*qxw56n$q*!_ou^g(b3=$z3@!'
+SECRET_KEY = os.environ.get('SECRET_KEY', 'changeme')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = bool(int(os.environ.get('DEBUG', 0)))
 
 ALLOWED_HOSTS = []
+ALLOWED_HOSTS.extend(
+    filter(
+        None,
+        os.environ.get('ALLOWED_HOSTS', '').split(',')
+    )
+)
 
 
 # Application definition

docker-compose-deploy.yml

@@ -0,0 +1,43 @@
+version: "3.9"
+
+services:
+  app:
+    build:
+      context: .
+    restart: always
+    volumes:
+      - static-data:/vol/web
+    environment:
+      - DB_HOST=db
+      - DB_NAME=${DB_NAME}
+      - DB_USER=${DB_USER}
+      - DB_PASS=${DB_PASS}
+      - SECRET_KEY=${DJANGO_SECRET_KEY}
+      - ALLOWED_HOSTS=${DJANGO_ALLOWED_HOSTS}
+    depends_on:
+      - db
+
+  db:
+    image: postgres:13-alpine
+    restart: always
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=${DB_NAME}
+      - POSTGRES_USER=${DB_USER}
+      - POSTGRES_PASSWORD=${DB_PASS}
+
+  proxy:
+    build:
+      context: ./proxy
+    restart: always
+    depends_on:
+      - app
+    ports:
+      - 8000:8000
+    volumes:
+      - static-data:/vol/static
+
+volumes:
+  postgres-data:
+  static-data:

docker-compose.yml

@@ -18,6 +18,7 @@ services:
       - DB_NAME=devdb
       - DB_USER=devuser
       - DB_PASS=changeme
+      - DEBUG=1
     depends_on:
       - db