version: '3.3'

services:
  app:
    environment:
      - DJANGO_DB=mysql
      - MYSQL_NAME=labelstudio
      - MYSQL_USER=root
      - MYSQL_PASSWORD=password
      - MYSQL_PORT=3306
      - MYSQL_HOST=db
      - POSTGRE_HOST=           # override POSTGRE vars to empty values

  db:
    image: mysql:8
    hostname: db
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_DATABASE=labelstudio
    volumes:
      - ${MYSQL_DATA_DIR:-./mysql-data}:/var/lib/mysql