mariadb: image: mariadb:latest environment: - MYSQL_USER=test - MYSQL_PASSWORD=test - MYSQL_DATABASE=test - MYSQL_RANDOM_ROOT_PASSWORD=yes ports: - 3306:3306 postgresql: image: postgres:latest environment: - POSTGRES_USER=test - POSTGRES_PASSWORD=test - POSTGRES_DB=test ports: - 5432:5432 sqlserver: image: microsoft/mssql-server-linux environment: - ACCEPT_EULA=Y - SA_PASSWORD=t3571ng0n1y ports: - 1433:1433 firebird: image: itherz/firebird3:latest ports: - 5040:5040 volumes: - ./test:/databases