version: "3"
services:
  postgres:
    image: "postgres:9.6"
    container_name: "postgres"
    environment:
      - POSTGRES_USER=airflow
      - POSTGRES_PASSWORD=airflow
      - POSTGRES_DB=airflow
    ports:
      - "5432:5432"
    volumes:
      - ./data/postgres:/var/lib/postgresql/data
  # uncomment initdb if you need initdb at first run
  # initdb:
    # build: .
    # entrypoint: airflow initdb
    # depends_on:
     # - postgres
  webserver:
    build: .
    restart: always
    depends_on:
      - postgres
    volumes:
      - ./airflow_files/dags:/usr/local/airflow/dags
    ports:
      - "8080:8080"
    entrypoint: airflow webserver
    healthcheck:
      test: ["CMD-SHELL", "[ -f /usr/local/airflow/airflow-webserver.pid ]"]
      interval: 30s
      timeout: 30s
      retries: 3
  scheduler:
    build: .
    restart: always
    depends_on:
      - postgres
      - webserver
    volumes:
      - ./airflow_files/dags:/usr/local/airflow/dags
      - ./airflow_files/logs:/usr/local/airflow/logs
    entrypoint: airflow scheduler
    healthcheck:
      test: ["CMD-SHELL", "[ -f /usr/local/airflow/airflow-scheduler.pid ]"]
      interval: 30s
      timeout: 30s
      retries: 3