pgBackRest with backup uploads to S3 behind HTTP proxy

pgBackRest does not support HTTP proxies (in its S3 client). This was raised on Github couple of times ( [1] , [2] , [3] , [4] ). Suggested workaround is to use ProxyChains . Discovering you need to slap some extra component into a critical path of a critical workflow is exciting... Exciting as in need-to-go-to-a-dentist kind of exciting. But happy to confirm that it just works! With Squid on the…