version: "3.8" volumes: db_volume_data: driver: local networks: my_links_net: name: my_links_net services: my-links-db: image: mysql:latest restart: always volumes: - db_volume_data:/var/lib/postgresql/data environment: MYSQL_USER: ${DB_USER} MYSQL_PASSWORD: ${DB_PASSWORD} MYSQL_ROOT_PASSWORD: ${DB_PASSWORD} MYSQL_DATABASE: ${DB_DATABASE} networks: - my_links_net my-links: image: sonny/my-links:latest container_name: MyLinks ports: - 3000:3000 restart: always environment: DATABASE_URL: "mysql://${DB_USER}:${DB_PASSWORD}@my-links-db:3306/${DB_DATABASE}" depends_on: my-links-db: condition: service_started networks: - my_links_net