Nginx does not resolve hostname

[meyay (Metin Y.)]

You might want to take a look at an older post of mine:

NGINX swarm redeploy timeouts

I am not sure if i got the RFC right, but this pretty much seems like a dns cacheing issue: Try to modify you server.conf like this. server { ... # set DNS resolver as Docker internal DNS resolver 127.0.0.11 valid=10s; resolver_timeout 5s; ... location / { # prevent dns caching and force nginx to make a dns lookup on each request. set $target http://web:8080; proxy_pass $target; .. } } The first part declares …