version: '3.7' services: postgres: image: postgres:15 environment: POSTGRES_USER: "wakapi" POSTGRES_PASSWORD: "wakapi" POSTGRES_DB: "wakapi" ports: - "5432:5432" volumes: - wakapi-postgres:/var/lib/postgresql/data mysql: image: mysql:8 environment: MYSQL_USER: "wakapi" MYSQL_PASSWORD: "wakapi" MYSQL_DATABASE: "wakapi" MYSQL_ROOT_PASSWORD: example ports: - "3306:3306" volumes: - wakapi-mysql:/var/lib/mysql mariadb: image: mariadb:10 environment: MARIADB_USER: "wakapi" MARIADB_PASSWORD: "wakapi" MARIADB_DATABASE: "wakapi" MARIADB_ROOT_PASSWORD: example ports: - "3306:3306" volumes: - wakapi-mariadb:/var/lib/mysql volumes: wakapi-postgres: {} wakapi-mysql: {} wakapi-mariadb: {}