docker-compose.yml

version: "3"
services:
  app:
    build:
      context: .
      dockerfile: config/app/Dockerfile
    command: "python -m lib.server"
    # command: "python recommender.py" # for debug
    # command: "python -m lib.db" # for initialization of database
    restart: always
    volumes:
      - .:/app
    environment:
      - PG_USER=pg
      - PG_PW=pg
      - PG_DB=app
      - PG_HOST=postgres
      - PG_PORT=5432
    ports:
      - "8050:8050"
    links:
      - postgres
      - celery_worker

  redis:
    image: redis
    ports:
      - "6379"

  celery_worker:
    build:
      context: .
      dockerfile: config/app/Dockerfile
    command: "celery -A lib.tasks worker --loglevel=info"
    volumes:
      - .:/app
    links:
      - redis

  test_celery_tasks:
    build:
      context: .
      dockerfile: config/app/Dockerfile
    command: "python -m tests.test_celery_tasks"
    volumes:
      - .:/app

  postgres:
    image: postgres:11.3
    environment:
      - POSTGRES_USER=pg
      - POSTGRES_PASSWORD=pg
      - POSTGRES_DB=app
      - PGDATA=/data/postgres
    ports:
      - "5432"
    restart: unless-stopped
    volumes:
      - ./data/postgres:/data/postgres

  test_app:
    build:
      context: .
      dockerfile: config/app/Dockerfile
    command: "sh -c 'python -m lib.db && pytest tests'"
    # command: "python -m lib.db"
    volumes:
      - .:/app
    environment:
      - PG_USER=pg
      - PG_PW=pg
      - PG_HOST=test_postgres
      - PG_PORT=5432
      - PG_DB=test_app
    links:
      - test_postgres
      - celery_worker

  test_postgres:
    image: postgres:11.3
    environment:
      - POSTGRES_USER=pg
      - POSTGRES_PASSWORD=pg
      - POSTGRES_DB=test_app
    ports:
      - "5432"
    restart: "no"