compose.yaml

services:
  web:
    image: nginx
    volumes:
      - ./nginx/nginx.conf:/tmp/nginx.conf
    environment: 
      - FLASK_SERVER_ADDR=backend:9091  
    command: /bin/bash -c "envsubst < /tmp/nginx.conf > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'" 
    ports:
      - 80:80
    depends_on:
      - backend

  backend:
    build:
      context: flask
      target: builder
    # flask requires SIGINT to stop gracefully
    # (default stop signal from Compose is SIGTERM)
    stop_signal: SIGINT
    environment:
      - FLASK_SERVER_PORT=9091
    volumes:
      - ./flask:/src
    depends_on:
      -  mongo  

  mongo:
    image: mongo
    volumes:
       - ./mongo/db:/data/db
       - ./mongo/mongod.conf:/etc/mongod.conf
 
  mqtt-sub:
    build:
      context: mqtt-sub
      dockerfile: Dockerfile
    volumes:
      - ./mqtt-sub/app:/mqtt-sub/app
    restart: always
    #command: /usr/local/bin/python "./app/sub-pzem-004t.py"
    #ports:
    #  - 1883:1883
    #command: "chmod" "+x" "./app/run.sh"
    #command: ./app/run.sh
    #command: "python ./app/hello.py"
    #command: "python ./app/sub-pzem-004t.py"
    command: "python ./app/sub-1.py"
    #command: "python ./app/hello.py"
    depends_on:
      - mongo
#    networks:
#      - app-network

networks:
 app-network:
   driver: bridge