Update sample Nginx configuration to HTTP 1.1

changelog.d/14414.doc

@@ -0,0 +1 @@
+Edited sample Nginx reverse proxy configuration to use HTTP/1.1. Contributed by Brad Jones.

docs/reverse_proxy.md

@@ -79,6 +79,10 @@ server {
         # Nginx by default only allows file uploads up to 1M in size
         # Increase client_max_body_size to match max_upload_size defined in homeserver.yaml
         client_max_body_size 50M;
+
+	# Synapse responses may be chunked, which is an HTTP/1.1 feature.
+	proxy_http_version 1.1;
+        proxy_buffering off;
     }
 }
 ```