docker-compose.yaml

version: "2.2"
services:
  mysql:
    image: mysql:5.7
    ports:
      - 3306:3306
    healthcheck: # https://docs.docker.com/compose/compose-file/compose-file-v2/#healthcheck
      # executing a command that *needs* to stablish a connection to db; the lighter, the better.
      test: mysql --execute 'SHOW DATABASES' || exit 1
    environment:
      - MYSQL_ALLOW_EMPTY_PASSWORD=True
    volumes:
      - db-data:/var/lib/mysql/

  escuela:
    build:
      context: ./
      dockerfile: Dockerfile
    image: escuelang
    command: python escuelang/manage.py runserver 0.0.0.0:8080
    volumes:
      - .:/code
    ports:
      - 8080:8080
    depends_on:
      mysql:
        condition: service_healthy # https://docs.docker.com/compose/compose-file/compose-file-v2/#depends_on
    environment:
      - DB_PASSWORD=${DB_PASSWORD}
      - IS_DEVELOPMENT=True

volumes:
  db-data:
    driver: local