Guide: Integrating with a PostgreSQL database

[bstansberry]

(Note: this is one of several guides possible related to integration with an external datasource. Be sure to familiarize yourself with the overall set to be sure what you do will fit nicely with the others.)

This would use an example app that uses a datasource. Perhaps kitchensink QS.

Use of wildfly-datasources-galleon-pack as part of provisioning a WildFly installation.
Installation of PostgreSQL using docker.
Setting env vars to control datasource configuration.
Launch and run.

Follow-on guides:

Integrating with a PostgreSQL database on k8s/OpenShift #579

Related guides:

Integrating with a Mariadb database #578