Cloudmint offers PostgreSQL with Ubuntu 19.04 image.
Disclaimer: The respective trademarks mentioned in the offering are owned by respective companies. Commercial license of any of these products are not provided. Free, demo or Open Source license are applicable for the respective products.

PostgreSQL supports multiple client authentication methods. IDENT authentication method is used for postgres and local users, unless otherwise configured. PostgreSQL is cross-platform and runs on many operating systems

Image may take up to 10 minutes for initial launch.