upstream timed out (110: Connection timed out) while reading response header from upstr

rhand nginx-forum at
Mon Jan 11 03:01:59 UTC 2021

See's blog post
for some tips on debugging. Can be tough sometimes though.  In my Kubernetes
/ Docker case it was the wrong fastcig_pass in nginx config and the wrong
container port. See

Posted at Nginx Forum:,30793,290430#msg-290430

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