A one-function library that helps you build a temporary Docker image, run a temporary Docker container from it, and then clean up, deleting them both. This may be helpful for automated testing, when you test how your code might behave in an isolated environment. This may also be helpful when you need a custom Docker image with a tool inside, but Testcontainers don't have such an image.

This small Ruby gem helps you integrate PostgreSQL with your Ruby web app, through Liquibase. It also adds a simple connection pool and query processor, to make SQL manipulation simpler.