Slow NGINX Reverse Proxy

[Stentorian]

Hey, 

 

So I'm running NGINX on my VPS and I am experiencing really slow website loading times when loading a reverse proxy. I have tried running it with one virtual host and still experiencing bad load times.

 

The two main reverse proxies I'm experiencing it with are docker.benwhybrow.com (portainter) and mail.benwhybrow.com (roundcube).

 

This is my virtual host file for portainer: https://hasteb.in/jabinule.nginx

My virtual host file for roundcube: https://hasteb.in/xuvoruza.nginx

My nginx.conf file: https://hasteb.in/ihosecuv.shell

 

Any help would be much appreciated! 

[colonel_mortis]

A couple of things that I noticed in your config file are that proxy_cache_bypass $http_upgrade seems weird (but you don't seem to have proxy caching enabled in the first place so that shouldn't matter), and that your upstream seems to be on the same host as your nginx but you're using the public IP rather than localhost. If you change the proxy_pass IP to 127.0.0.1 instead, does that make any difference?

 

As a sanity check, what's the performance of skipping nginx and hitting the backend directly (either from your local machine or SSHed into that box), and of serving a static file directly from nginx (a 404 page works)? If there's a problem with the proxying specifically, the proxy request would be quite a bit longer than the sum of those two.

[Stentorian]

On 7/6/2020 at 1:53 PM, colonel_mortis said:

A couple of things that I noticed in your config file are that proxy_cache_bypass $http_upgrade seems weird (but you don't seem to have proxy caching enabled in the first place so that shouldn't matter), and that your upstream seems to be on the same host as your nginx but you're using the public IP rather than localhost. If you change the proxy_pass IP to 127.0.0.1 instead, does that make any difference?

 

As a sanity check, what's the performance of skipping nginx and hitting the backend directly (either from your local machine or SSHed into that box), and of serving a static file directly from nginx (a 404 page works)? If there's a problem with the proxying specifically, the proxy request would be quite a bit longer than the sum of those two.

Thank you! Changing it to 127.0.0.1 fixed the issue. I also removed the proxy_cache_bypass from the virtual host. It loads perfectly fine. Appreciate the help! Have a good day!