# NGINX fails to start

**URL:** <https://meta.discourse.org/t/nginx-fails-to-start/298533>\
**Category:** Self-hosting\
**Created:** [March 8, 2024, 2:43pm UTC](https://meta.discourse.org/t/nginx-fails-to-start/298533 "2024-03-08T14:43:22Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [March 8, 2024, 3:54pm UTC](https://meta.discourse.org/t/nginx-fails-to-start/298533/3 "2024-03-08T15:54:39Z")

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Did you change the ports in the `app.yml` so that Discourse isn’t trying to use the ports that NGINX wants?

> [@Deenius](#):
>
> Sorry, I’m a beginner with Linux / NGINX / Docker things. Any advice would be appreciated. Thank you.

This is an advanced setup that requires understanding of DNS, https and certificates, nginx, reverse proxies, docker, and routing.

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