db-cleaner/docker-compose.yml

version: '3'

services:
  working-db:
    image: mariadb:latest
    container_name: scratch-mariadb
    volumes:
      - container-volume:/var/lib/mysql
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: unclean
    ports:
      - '3306:3306'

volumes:
  container-volume: