Yup. At my last gig, upgrading to a new version meant setting the Docker tag to the new one and running `make test`. If that passed, we were 99% certain it was

Yup. At my last gig, upgrading to a new version meant setting the Docker tag to the new one and running `make test`. If that passed, we were 99% certain it was safe for prod. The other 1% was covered by running in pre-prod for a couple days.