docker-compose.yml

# Launch & Build a bunch containers with workers and one service for them.
version: "2"
services: 
  w_alpha:
#    build: ./rapid_miner_worker/
    build: ./worker/
    container_name: w_alpha
    environment:
      - workername=alpha
    networks:
      - worker_net
    ports:
      - "1831:8080"  # if direct access is required
    # volumes:
    #   - "./rapid_miner_worker:/usr/src/app"
  w_beta:
#    build: ./rapid_miner_worker/
    build: ./worker/
    container_name: w_beta
    environment:
      - workername=beta
    networks:
      - worker_net
    ports:
      - "1832:8080" # if direct access is required
    # volumes:
    #   - "./worker:/usr/src/app"
  w_gamma:
     build: ./worker/
     container_name: w_gamma
     environment:
       - workername=gamma
     networks:
       - worker_net
     ports:
       - "1833:8080" # if direct access is required
  #   volumes:
  #     - "./rapid_miner_worker:/usr/src/app"
  w_service:
    build: ./worker_service/
    command: python3 intro.py
    # command: sh
    stdin_open: true
    tty: true
    container_name: w_service
    networks:
      worker_net:
        aliases:
          - w_service
    ports:
      - "80:80"
    volumes:
      - "./worker_service:/usr/src/app"
    # depends_on:
    #     - "w_alpha"
    #     - "w_beta"
    environment:
      - FLASK_APP=worker_service/__init__.py
      - FLASK_DEBUG=1

  main_node:
    build: ./main-node/
    command: /usr/sbin/sshd -D
    tty: true
    container_name: main-node
    networks:
     - worker_net
    ports:
      - "2222:2222"
      - "9000:9000"
    depends_on:
      - "w_service"
#    volumes:
#      - "./main-node/Results:/root/Results"

networks:
  worker_net:
    driver: bridge