Cleanup and simplify deployment

docs/docker/plain/docker-compose.yml

@@ -1,37 +0,0 @@
-version: "3"
-services:
-  db_recipes:
-    restart: always
-    image: "postgres:11-alpine"
-    volumes:
-    - ./postgresql:/var/lib/postgresql/data
-    env_file:
-    - ./.env
-    networks:
-    - default
-
-  web_recipes:
-    build: .
-    restart: always
-    env_file:
-    - ./.env
-    depends_on:
-    - db_recipes
-    networks:
-    - default
-
-  nginx_recipes:
-    image: "nginx"
-    restart: always
-    env_file:
-    - ./.env
-    volumes:
-    - ./nginx/conf.d:/etc/nginx/conf.d
-    - ./staticfiles:/static
-    - ./mediafiles:/media
-    ports:
-    - 80:80
-    networks:
-    - default
-    depends_on:
-    - web_recipes