Dockerfiles which just pull packages from distribution repositories are not reproducible in the same way that Nix expressions are. Rebuilding the Dockerfile wi

Dockerfiles which just pull packages from distribution repositories are not reproducible in the same way that Nix expressions are. Rebuilding the Dockerfile will give you different results if the packages in the distribution repositories change. A Nix expression specifies the entire tree of dependencies, and can be built from scratch anywhere at any time and get the same result.