--- # Sample Docker Compose File version: "3.3" volumes: db: networks: default: external: name: ${NETWORKNAME} services: db: image: mariadb:latest restart: always container_name: "${DBHOST}" environment: MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD} MYSQL_PASSWORD: ${DBPASSWORD} MYSQL_DATABASE: ${DB} MYSQL_USER: ${DBUSER} volumes: - "db:/var/lib/mysql" php-app: container_name: "${DOCKERNAME}" image: "4lights/phpcontainer:latest" restart: always volumes: - "./:/data" - ./php.ini:/usr/local/etc/php/php.ini ports: - "${DOCKERPORT}:80"