It's not just souce code--it's also docs and test code and other things that are tedious to omit given our current Docker image hierarchy and repository structu

It's not just souce code--it's also docs and test code and other things that are tedious to omit given our current Docker image hierarchy and repository structure. Our docs are largely Sphinx docs in Python docstrings; a decent minifier could probably reduce this, but it's probably not worthwhile for a ~5% improvement on overall image size.