services: mariadb: image: mariadb:10.9 environment: - MARIADB_DATABASE=n8n - MARIADB_ROOT_PASSWORD=password - MARIADB_MYSQL_LOCALHOST_USER=true ports: - 3306:3306 tmpfs: - /var/lib/mysql postgres: image: postgres:16 restart: always environment: - POSTGRES_DB=n8n - POSTGRES_USER=postgres - POSTGRES_PASSWORD=password ports: - 5432:5432 tmpfs: - /var/lib/postgresql/data