Merge pull request #19 from Intellection/update_latency_headers

Update latency timing headers

Author: itskingori

CHANGELOG.md

@@ -4,6 +4,13 @@
 
 * Use `zappi/nginx:1.25.3` as the docker base image.
 * Upgrade `headers-more-nginx-module` to `v0.37`.
+* Update latency headers:
+  * Add `X-Proxy-Request-Time`.
+  * Add `X-Proxy-Backend-Response-Time`.
+  * Remove `X-Proxy-Backend-Total-Time`.
+* Update logging fields:
+  * Add `http_x_proxy_backend_response_time`.
+  * Remove `http_x_proxy_backend_total_time`.
 
 ## 1.25.2-3
 

config/http.conf

@@ -81,7 +81,8 @@ http {
   # Latency headers
   add_header    X-Proxy-Backend-Connect-Time    $upstream_connect_time;
   add_header    X-Proxy-Backend-Header-Time     $upstream_header_time;
-  add_header    X-Proxy-Backend-Total-Time      $request_time;
+  add_header    X-Proxy-Backend-Response-Time   $upstream_response_time;
+  add_header    X-Proxy-Request-Time            $request_time;
 
   gzip on;
   gzip_comp_level 5;

config/log.conf

@@ -15,7 +15,7 @@ log_format main_json escape=json
     '"http_x_forwarded_for":"$http_x_forwarded_for",'
     '"http_x_proxy_backend_connect_time":"$upstream_connect_time",'
     '"http_x_proxy_backend_header_time":"$upstream_header_time",'
-    '"http_x_proxy_backend_total_time":"$request_time",'
+    '"http_x_proxy_backend_response_time":"$upstream_response_time",'
     '"proxy_connection":"$proxy_connection",'
     '"proxy_x_forwarded_port":"$proxy_x_forwarded_port",'
     '"proxy_x_forwarded_proto":"$proxy_x_forwarded_proto",'