Update u_e-nginx.md

docs/u_e-nginx.md

@@ -28,6 +28,40 @@ server {
 }
 ```
 
+Another example with a reverse proxy configuration:
+
+``` hl_lines="9,21"
+server {
+  ssl_certificate /etc/ssl/mail/cert.pem;
+  ssl_certificate_key /etc/ssl/mail/key.pem;
+  index index.php index.html;
+  client_max_body_size 0;
+  root /web;
+  include /etc/nginx/conf.d/listen_plain.active;
+  include /etc/nginx/conf.d/listen_ssl.active;
+  server_name example.domain.tld;
+
+  location ^~ /.well-known/acme-challenge/ {
+    allow all;
+    default_type "text/plain";
+  }
+
+  if ($scheme = http) {
+    return 301 https://$host$request_uri;
+  }
+
+  location / {
+    proxy_pass http://127.0.0.1:3000/;
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    client_max_body_size 0;
+  }
+}
+```
+
+
 The filename is not important, as long as the filename carries a .conf extension.
 
 It is also possible to extend the configuration of the default file `site.conf` file: