added production compose file

docker-compose-prod.yml

+version: '3.3'
+
+services:
+  frontend:
+    container_name: drugstone_frontend
+    image: gitlab.rrz.uni-hamburg.de:4567/cosy-bio/drugst.one/website:prod
+    restart: always
+    ports:
+      - 8031:80
+    networks:
+      - drugstone
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+  backend:
+    image: gitlab.rrz.uni-hamburg.de:4567/cosy-bio/drugst.one/backend:prod
+    container_name: drugstone_backend
+    command: 
+      - "sh"
+      - "scripts/docker-entrypoint.sh"
+    env_file:
+      - 'docker-django.env'
+    restart: always
+    volumes:
+      - drugstone_db_schema_volume:/usr/src/drugstone/drugstone/migrations
+      - drugstone_data_volume:/usr/src/drugstone/data
+    ports:
+      - 8032:8000
+    networks:
+      - drugstone
+    depends_on:
+      - db
+      - redis
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+  db:
+    image: postgres
+    container_name: drugstone_postgres
+    restart: always
+    hostname: drugstone_postgres
+#    ports:
+#      - 5432:5432
+    networks:
+      - drugstone
+    volumes:
+      - drugstone_db_volume:/var/lib/postgresql/data
+    environment:
+      - POSTGRES_DB=drugstone
+      - POSTGRES_USER=drugstone
+      - POSTGRES_PASSWORD=t6278yczAH7rPKVMxaDD
+    command: 
+      - "postgres"
+      - "-c" 
+      - "max_connections=10000"
+      - "-c"
+      - "shared_buffers=2GB"
+  redis:
+    image: redis
+    container_name: drugstone_redis
+    restart: always
+    command: ["redis-server"]
+    networks:
+      - drugstone
+#    ports:
+#      - 6379:6379
+  celery:
+    image: gitlab.rrz.uni-hamburg.de:4567/cosy-bio/drugst.one/backend:prod
+    command:
+      - "sh"
+      - "scripts/start_celery_worker.sh"
+    restart: always
+    container_name: drugstone_celery
+    hostname: drugstone_celery
+    volumes:
+      - drugstone_data_volume:/usr/src/drugstone/data
+    env_file:
+      - './docker-django.env'
+    depends_on:
+      - redis
+      - db
+    networks:
+      - drugstone
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+  celery-beat:
+    image: gitlab.rrz.uni-hamburg.de:4567/cosy-bio/drugst.one/backend:prod
+    command:
+      - "sh"
+      - "scripts/start_celery_beat.sh"
+    container_name: drugstone_celery_beat
+    hostname: drugstone_celery_beat
+    env_file:
+      - './docker-django.env'
+    depends_on:
+      - redis
+      - db
+    networks:
+      - drugstone
+    labels:
+      - "com.centurylinklabs.watchtower.enable=true"
+  cdn:
+    build: cdn
+    image: drugstone_cdn
+    container_name: drugstone_cdn
+    restart: always
+    volumes:
+      - drugstone_cdn_volume:/app/files
+    ports:
+      - 8033:80
+
+networks:
+  drugstone:
+
+volumes:
+  drugstone_db_volume:
+    external: true
+  drugstone_db_schema_volume:
+    external: true
+  drugstone_data_volume:
+    external: true
+  drugstone_cdn_volume:
+    external: true
\ No newline at end of file

docker-compose.yml

 version: '3.3'
 
 services:
-  app:
+  backend:
     image: drugstone_backend
     container_name: drugstone_backend
     command: