db/docker-compose.yml

version: '3.8'

services:
   db:
     image: mariadb:10.6 # pinned to stable release
     container_name: db
     volumes:
       - ./data/mysql:/var/lib/mysql/
       - ./data/backup:/mnt/backup
     restart: on-failure:3
     environment:
       MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}

networks:
   db_default:
     external: true