version: '2'

services:
  app:
    build: .
    image: &khronos
      khronos:dev
    env_file: &khronos_env
      - dev.env
    ports:
      - "8888:8888"
    volumes:
      - ./app:/app
    command:
      ["/wait-for-it.sh", "db:5432", "-t", "90", "--", "python", "app.py"]

  db:
    image: postgres:9.6.1
    restart: always
    env_file: *khronos_env
    ports:
      - "5432:5432"

  redis:
    image: redis:3.2.5
    command: ["redis-server"]
    ports:
      - "6379:6379"

  celery-worker:
    image: *khronos
    command: ["celery", "worker", "--app=tasks", "--concurrency=3", "--beat", "--loglevel=INFO"]
    volumes:
      - ./app:/app
    depends_on:
      - redis
      - app