From 45fce5c15e3f38e3e55c7466e45dffc729fd3517 Mon Sep 17 00:00:00 2001
From: MarekBenjamin <117765478+MarekBenjamin@users.noreply.github.com>
Date: Tue, 27 Dec 2022 15:00:25 +0100
Subject: [PATCH] Update sample-nginx-certbot.config

in accordance to https://github.com/friendica/friendica/commit/1dfe0fc6034cf48b4c6d844766c07a242a8e6aa6
---
 mods/sample-nginx-certbot.config | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/mods/sample-nginx-certbot.config b/mods/sample-nginx-certbot.config
index 1e081404f..280bb2ab6 100644
--- a/mods/sample-nginx-certbot.config
+++ b/mods/sample-nginx-certbot.config
@@ -36,6 +36,23 @@
 # You have Friendica installed in /var/www/friendica
 ##
 
+##
+# by https://syshero.org/2018-04-13-nginx-unique-request-identifier/
+# if X-Request-ID is set, NGINX will forward the same value to the next upstream
+# if the header is not set, NGINX will generate a random request identifier and add it to the request.
+#
+# To guarantee backward compatibility, map to format the $request_id variable to a format that matches any old setups.
+##
+
+map $request_id $formatted_id {
+  "~*(?<p1>[0-9a-f]{8})(?<p2>[0-9a-f]{4})(?<p3>[0-9a-f]{4})(?<p4>[0-9a-f]{4})(?<p5>.*)$" "${p1}-${p2}-${p3}-${p4}-${p5}";
+}
+
+map $http_x_request_id $uuid {
+  default   "${request_id}";
+  ~*        "${http_x_request_id}";
+}
+
 server {
   listen 80;
   server_name friendica.example.net;
@@ -59,6 +76,9 @@ server {
   # allow uploads up to 20MB in size
   client_max_body_size 20m;
   client_body_buffer_size 128k;
+	
+	# add the request id header to show it in the HTTP header output
+  add_header X-Request-ID $uuid;
 
   # rewrite to front controller as default rule
   location / {
@@ -105,6 +125,8 @@ server {
     include fastcgi_params;
     fastcgi_index index.php;
     fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+		
+		fastcgi_param HTTP_X_REQUEST_ID $uuid;
 
     fastcgi_buffers 16 16k;
     fastcgi_buffer_size 32k;