Universal build utilities for containerized build pipelines. Universal-build is a set of utilities designed to build, test, package, and release software. It enables you to implement your build and release pipeline with Python scripts once and run it either on your local machine, in a containerized environment via Act, or automated via Github Actions. It supports a monorepo or polyrepo setup and can be used with any programming language or technology. It also provides a full release pipeline for automated releases with changelog generation.