The good stuff needs NGINX 1.7.11

lib/support/nginx/gitlab

@@ -127,9 +127,11 @@ server {
     # Do not buffer Git HTTP responses
     proxy_buffering off;
-    # Pass chunked request bodies to gitlab-git-http-server as-is
-    proxy_request_buffering off;
-    proxy_http_version 1.1;
+    # The following settings only work with NGINX 1.7.11 or newer
+    #
+    # # Pass chunked request bodies to gitlab-git-http-server as-is
+    # proxy_request_buffering off;
+    # proxy_http_version 1.1;
     proxy_set_header    Host                $http_host;
     proxy_set_header    X-Real-IP           $remote_addr;

lib/support/nginx/gitlab-ssl

@@ -174,9 +174,11 @@ server {
     # Do not buffer Git HTTP responses
     proxy_buffering off;
-    # Pass chunked request bodies to gitlab-git-http-server as-is
-    proxy_request_buffering off;
-    proxy_http_version 1.1;
+    # The following settings only work with NGINX 1.7.11 or newer
+    #
+    # # Pass chunked request bodies to gitlab-git-http-server as-is
+    # proxy_request_buffering off;
+    # proxy_http_version 1.1;
     proxy_set_header    Host                $http_host;
     proxy_set_header    X-Real-IP           $remote_addr;