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Update nginx image's readme to run as non root #3071

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Update nginx image's readme to run as non root #3071

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31 changes: 31 additions & 0 deletions src/bci_build/package/nginx/README.md.j2
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Expand Up @@ -42,6 +42,37 @@ The template above is then rendered to `/etc/nginx/conf.d/default.conf` as follo
listen 80;
```

## Running nginx as a non-root user
It is possible to run the image as a less privileged user. This requires updating the nginx configuration to use directories writable by a specific UID/GID:
```ShellSession
$ podman run -it --user nginx --rm -p 8080:8080 -v /path/to/html/:/srv/www/htdocs/:Z -v $PWD/nginx.conf:/etc/nginx/nginx.conf:Z {{ image.pretty_reference }}
```

Define a new path for the process ID in `nginx.conf`:

```ShellSession
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@dirkmueller dirkmueller Feb 9, 2026

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Suggested change
```ShellSession
```Nginx

pid /tmp/nginx.pid;
```

Adjust the HTTP context paths and ports in `nginx.conf`:
```ShellSession
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@dirkmueller dirkmueller Feb 9, 2026

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Suggested change
```ShellSession
```Nginx

http {
client_body_temp_path /tmp/client_temp;
proxy_temp_path /tmp/proxy_temp_path;
fastcgi_temp_path /tmp/fastcgi_temp;
uwsgi_temp_path /tmp/uwsgi_temp;
scgi_temp_path /tmp/scgi_temp;
...
...
server {
listen 8080;
...
...
}
...
}
```

## Environment variables

### NGINX_ENTRYPOINT_QUIET_LOGS
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