They're both kinda dumb though. Updating will create a new layer, but the old binaries will still be a part of the image as part of the history. The only corre

They're both kinda dumb though. Updating will create a new layer, but the old binaries will still be a part of the image as part of the history. The only correct way is to either rebuild the base image from scratch or just fetch a new base image. My suggestion would be the latter, just run docker pull again for the baseimage and use that, without running update.