Hide version of the web server

config/nginx.sample.conf

@@ -1,6 +1,6 @@
 # Additional MIME types that you'd like nginx to handle go in here
 types {
-    text/csv                    csv;
+    text/csv csv;
 }
 
 upstream discourse {
@@ -31,6 +31,7 @@ server {
   gzip_types application/json text/css application/x-javascript;
 
   server_name enter.your.web.hostname.here;
+  server_tokens off;
 
   sendfile on;
 
@@ -75,11 +76,17 @@ server {
       #if ($invalid_referer) { return 403; }
 
       # custom CSS
-      location ~ /stylesheet-cache/ { try_files $uri =404; }
+      location ~ /stylesheet-cache/ {
+          try_files $uri =404;
+      }
       # images
-      location ~* \.(gif|png|jpg|jpeg|bmp|tif|tiff)$ { try_files $uri =404; }
+      location ~* \.(gif|png|jpg|jpeg|bmp|tif|tiff)$ {
+          try_files $uri =404;
+      }
       # thumbnails & optimized images
-      location ~ /_optimized/ { try_files $uri =404; }
+      location ~ /_optimized/ {
+          try_files $uri =404;
+      }
 
       # attachments must go through the rails application to get the right content-disposition header
       proxy_set_header Host $http_host;