mailu/core/nginx
bors[bot] e7f77875e2
Merge
2084: Fix  (login to webmail did not work when WEB_WEBMAIL=/ was set) r=mergify[bot] a=Diman0

## What type of PR?

bug-fix

## What does this PR do?
It fixes . Login from SSO page to webmail did not work if WEB_WEBMAIL=/ was set in mailu.env.

I tested that it works with
- WEB_WEBMAIL=/webmail
- WEB_WEBMAIL=/

### Related issue(s)
- closes  

## Prerequisites
Before we can consider review and merge, please make sure the following list is done and checked.
If an entry in not applicable, you can check it or remove it from the list.

- [x] n/a In case of feature or enhancement: documentation updated accordingly
- [x] Unless it's docs or a minor change: add [changelog](https://mailu.io/master/contributors/workflow.html#changelog) entry file.


Co-authored-by: Dimitri Huisman <diman@huisman.xyz>
Co-authored-by: Florent Daigniere <nextgens@users.noreply.github.com>
..
conf Merge
static set expire headers only for mailu content
Dockerfile Process code review remarks
certwatcher.py Use environment variables for cert paths/names in nginx certwatcher
config.py format certs for nginx
letsencrypt.py fix
start.py Add certificate watcher for external certs to reload nginx