Battery correct horse staple hiring puzzle

For those stuck at the first hurdle you actually need to run that particular docker container rather than just looking at the screenshot to solve this

A surprising number of people submitting "bread pickles tomato cheese" as the answer. No! That was just an example! (I was hungry)

For the uninitiated: <a href="https:&#x2F;&#x2F;xkcd.com&#x2F;936&#x2F;" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;936&#x2F;</a>

Yes, this is too a real job!