The text outlines the process of building and deploying ARM-based Docker images using GitHub Actions, addressing the growing need for applications to run on ARM architecture due to its efficiency and widespread use in devices like Raspberry Pi and Apple's M1 and M2 chips. It explains the challenges of creating Docker images on non-ARM devices and illustrates how Docker's buildx tool can facilitate the building of ARM images on these devices, bypassing the need for ARM hardware or slow emulation. The article provides a step-by-step guide to setting up a Python application, developing a Dockerfile, and configuring GitHub Actions to automate the process of building and pushing Docker images to a registry, ensuring cross-platform compatibility. This automation offers an efficient way for developers to maintain up-to-date applications across diverse platforms, leveraging the capabilities of GitHub and Docker to streamline workflows.