Didn’t realize that child_process functions don’t return promises

Run some tests in the future and ensure gzip is worth it for smaller responses

This makes it easier to run inside docker, since we are no longer attempting to run docker inside docker

This is sad, because now we are now dependent on mongorestore for tests to function. Using the node driver to load mongoexport data was just too troublesome however (which had no dependencies beyond what npm installed)

Test usually fails since mongo text index hasn’t finished building. Should add a `/ready` endpoint and then poll that until the app is ready.