Merge pull request #2458 from jzelinskie/nginx

conf/nginx: add cnr path

conf/nginx/server-base.conf.jnj

@@ -87,6 +87,18 @@ location ~ ^/v2/(.+)/_trust/tuf/(.*)$ {
 }
 {% endif %}
 
+location ~ ^/cnr {
+    proxy_buffering off;
+
+    proxy_request_buffering off;
+
+    proxy_pass http://registry_app_server;
+    proxy_read_timeout 120;
+    proxy_temp_path /tmp 1 2;
+
+    limit_req zone=repositories burst=10;
+}
+
 location ~ ^/v2 {
     # If we're being accessed via v1.quay.io, pretend we don't support v2.
     if ($host = "v1.quay.io") {