From 26911fa7cb821d3c8f9def5a6ac5bb69b4fda5d7 Mon Sep 17 00:00:00 2001
From: martipoe <130643472+martipoe@users.noreply.github.com>
Date: Fri, 17 Jan 2025 18:28:18 +0100
Subject: [PATCH] fix: missing route to prometheus api endpoint via backend in
 docker-compose setup

Resolves the error message "Failed to load the data source configuration for Loki: Unable to fetch alert rules. Is the Loki data source properly configured?" for alert and recording rules in Grafana Alert Overview of docker-compose stack.

Signed-off-by: martipoe <130643472+martipoe@users.noreply.github.com>
---
 production/docker/config/nginx.conf | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/production/docker/config/nginx.conf b/production/docker/config/nginx.conf
index 90603fafa0775..59da4e03c4a37 100644
--- a/production/docker/config/nginx.conf
+++ b/production/docker/config/nginx.conf
@@ -23,6 +23,10 @@ http {
     server loki-write:3100;
   }
 
+  upstream backend {
+    server loki-backend:3100;
+  }
+
   upstream cluster {
     server loki-read:3100;
     server loki-write:3100;
@@ -56,6 +60,10 @@ http {
         proxy_pass       http://write$request_uri;
     }
 
+    location = /loki/api/v1/delete {
+        proxy_pass       http://write$request_uri;
+    }
+
     location = /loki/api/v1/tail {
         proxy_pass       http://read$request_uri;
         proxy_set_header Upgrade $http_upgrade;
@@ -65,5 +73,9 @@ http {
     location ~ /loki/api/.* {
         proxy_pass       http://read$request_uri;
     }
+
+    location ~ /prometheus/api/.* {
+        proxy_pass       http://backend$request_uri;
+    }
   }
 }