Registry needs a flag to turn off access to Swagger for production environment

[chuang-CE]

We need to add an environment variable that we can set to turn off access to Swagger so that in production environments, users cannot access Swagger.

[jeannekitchens]

This is a very quick issue to address. @excelsior @arielr-lt is this > 30 minute fix?

[excelsior]

@jeannekitchens Yes, under an hour for sure.