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by jkaplowitz 2997 days ago
I agree that's usually best, but one exception is worth noting: if you want only publicly resolvable results, don't use 169.254.169.254. That address adds convenient predictable hostnames for your project's instances under the .internal TLD.

Also, no need to hardcode that address - DHCP will happily serve it up. It also has the hostname metadata.google.internal and the (disfavored for security reasons) bare short hostname metadata.