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by jaswilder 4255 days ago
I wrote https://github.com/jwilder/docker-squash to remove things that I know I don't need in the final image such as curl, wget, temp files, various packages, etc..

I've managed to get most images to basically the size of the base image + my app.

This process is sort of the reverse of building a single binary and adding it to a minimal image. I like that approach but it's not always straightforward w/ some applications.

1 comments

Ah yes, I've played with docker-squash and like it, I wish there was a built-in docker solution for squashing layers (perhaps any contiguous string of instructions starting with ~ would be squashed into one layer?).

Mostly the problem I've run into is figuring out what to remove without b0rking the containerized app.