How do you add items to .dockerignore?

Question

I\'m not able to find many examples of what a .dockerignore file should look like.

Using puppet to install a few packages on a docker container causes the image to

Answer 1

Neither:

modules/*

nor

modules

would not work for me, docker kept on polluting the image with unnecessary files until I set it like this:

**/modules

also works with:

**/modules/*.py