GoDown/Docker/compose.yml

# Use root/example as user/password credentials
version: '3.1'

services:
  db:
    image: mariadb
    restart: always
    environment:
      MARIADB_ROOT_PASSWORD: root_password
      MARIADB_USER: username
      MARIADB_PASSWORD: password
      MARIADB_DATABASE: testdb
    volumes:
    - ./mariadb/mysql:/var/lib/mysql
    - ./mariadb/backup:/backup
    ports:
    - 3306:3306