WIP: Remove dep on AppEngine

[TylerLeonhardt]

The goal here is to get this to run in a container locally - something that wasn't possible before because it had to be run with gcp cli.

I've gotten it running locally in a Docker container - but I can't seem to move issues:

Any thoughts?

p.s. not expecting this to get merged in, but I'm looking for advice

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[TylerLeonhardt]

I signed it!

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