version: '3.4'
services:
  database:
    image: linuxserver/mariadb
    volumes:
      - db_data:/config
    environment:
      MYSQL_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
    ports:
      - target: 3306
        published: ${DB_POTR}
        protocol: tcp
        mode: host

volumes:
  db_data:

### Environment variables
# DB_POTR             3306
# DB_ROOT_PASSWORD