version: "3.5"
services:
  my-service:
    build:
      dockerfile: Dockerfile
      context: .
    command: /app/print-random-stuff.sh
    depends_on:
      - my-service2
    ports:
      - 123:321

  my-service2:
    build:
      dockerfile: Dockerfile
      context: .
    command: /app/print-random-stuff.sh
    ports:
      - 12345:12345

  my-service3:
    build:
      dockerfile: Dockerfile
      context: .
    command: /app/print-random-stuff.sh