It is also good for staging new version of apps that you only want some users to have access to. I have been doing this manually by having the new version calle

It is also good for staging new version of apps that you only want some users to have access to. I have been doing this manually by having the new version called 'staging' and setting it in the user session to redirect. You could also use this for browser testing, where your test client sends a header that will redirect it to a clean datastore with the new version