Absolutely wild that Nginx only resolves DNS for proxy_pass once on startup.
Unless you use a variable, and then it's resolved (against a custom resolver) every 5 minutes.
Obviously.
@hugh or if you pay them money you can have the version which does what it should have done in the first place.
@jon TIL, thanks!
Bold of you to assume I want to pay F5 money after this 😉