Not exceeding 2.71 MB in size — with most tags under 900 KB, depending on architecture — the BusyBox container image is incredibly lightweight. It’s even much smaller than our Alpine image, which developers gravitate towards given its slimness. BusyBox’s compact size enables quicker sharing, by greatly reducing initial upload and download times. Smaller base images, depending on changes and optimizations to their subsequent layers, can also reduce your application’s attack surface.
Learn More: How to Use the BusyBox Docker Official Image | Docker