Using Hasura GraphQL Engine with a CI/CD system

The text discusses the process of setting up Hasura GraphQL Engine (HGE) and Postgres in a CI/CD environment. It outlines steps to run Postgres as a Docker container, set up HGE with an environment variable for the database URL, and apply migrations or metadata using the Hasura CLI. Additionally, it mentions how to add sample test data through SQL files and connect applications to HGE for testing purposes. The text also provides examples of projects that use HGE in their tests.