docker-compose.yml

version: '3'
services:
  mysql:
    image: mysql:5.7
    container_name: mysql
    restart: always
    environment:
      - MYSQL_DATABASE=${MYSQL_DB}
      - MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD}
      - MYSQL_USER=${MYSQL_USER}
      - MYSQL_PASSWORD=${MYSQL_PASSWORD}
    volumes:  
      - ./mysqld.cnf:/etc/mysql/my.cnf 
    env_file:
      - .env
  mongo:
    image: mongo
    container_name: mongo
    ports:
      - '28017:27017'
    volumes:
      - ../data:/data/db       
      - ./scripts/:/docker-entrypoint-initdb.d
  postgres:
    image: postgres:9.6
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}
    ports:
      - "5432:5432"
  webserver:
    build: ./ 
    restart: always
    depends_on:
      - postgres
      - mongo
      - mysql
    environment:
      - LOAD_EX=n
      - EXECUTOR=Local
    volumes:
      - ./dags:/usr/local/airflow/dags
      - ./requirements.txt:/requirements.txt
      - ./constants:/usr/local/airflow/constants
      - ./helpers:/usr/local/airflow/helpers
      - ./database:/usr/local/airflow/database
      - ./config.ini:/usr/local/airflow/config.ini
    ports:
      - "8080:8080"
    healthcheck:
      test: ["CMD-SHELL", "[ -f /usr/local/airflow/airflow-webserver.pid ]"]
      interval: 30s
      timeout: 30s
      retries: 3