version: "3.0" services: mariadb: image: lscr.io/linuxserver/mariadb container_name: mariadb environment: - PUID=1000 - PGID=1003 - MYSQL_ROOT_PASSWORD=ChangeMe123 - TZ=America/New_York - MYSQL_DATABASE=default - MYSQL_USER=yourusername - MYSQL_PASSWORD=ChangeMe123 volumes: - /docker-containers/mariadb:/config ports: - "3306:3306" restart: unless-stopped stdin_open: true tty: true networks: homelab: aliases: - mysql # how to add multiple aliases - romm-db - db networks: # I don't know why but you have to specify the network 2x. In service, and in this tag area.. homelab: name: homelab # Networks can also be given a custom name external: true # This option causes compose to join the above network instead of making a _default one, wont work without it though..