cleaning nginx setup

docs/install/nginx.md

@@ -8,7 +8,7 @@ parent: Install
 
 
 ##  Nginx proxy configuration
-This is the default nginx configuration for gancio, it does not include **HTTPS** setup but you can easily use [certbot](https://certbot.eff.org/) for that.
+This is the default nginx configuration for gancio, please modify at least <<YOUR_DOMAIN>>. Note that it does not include **HTTPS** setup but you can easily use [certbot](https://certbot.eff.org/) for that.
 
 
 ```nginx
@@ -21,35 +21,13 @@ server {
   sendfile             on;
   client_max_body_size 80m;
 
-  gzip on;
-  gzip_disable "msie6";
-  gzip_vary on;
-  gzip_proxied any;
-  gzip_comp_level 6;
-  gzip_buffers 16 8k;
-  gzip_http_version 1.1;
-  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
-
-  add_header Strict-Transport-Security "max-age=31536000";
-
   location / {
     try_files $uri @proxy;
   }
 
   location @proxy {
     proxy_set_header Host $host;
-    proxy_set_header X-Forwarded-Proto https;
-    proxy_set_header Proxy "";
-    proxy_pass_header Server;
-
     proxy_pass http://127.0.0.1:13120;
-    proxy_buffering on;
-    proxy_redirect off;
-    proxy_http_version 1.1;
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection $connection_upgrade;
-
-    tcp_nodelay on;
   }
 }