From fd6c1952ad27eca20b7d14f4f6aac669ec4b7ce3 Mon Sep 17 00:00:00 2001
From: Mayne0213 <bluemayne0213@icloud.com>
Date: Fri, 9 Jan 2026 13:30:41 +0900
Subject: [PATCH] FIX(tempo): enable env var expansion in config

- Add extraArgs config.expand-env=true
- Required for ${VAR} substitution in tempo.yaml
---
 tempo/helm-values.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tempo/helm-values.yaml b/tempo/helm-values.yaml
index fddecb3..25ca824 100644
--- a/tempo/helm-values.yaml
+++ b/tempo/helm-values.yaml
@@ -63,6 +63,10 @@ tempo:
     enabled: true
     remoteWriteUrl: http://prometheus-kube-prometheus-prometheus.prometheus.svc:9090/api/v1/write
 
+  # Enable environment variable expansion in config
+  extraArgs:
+    config.expand-env: "true"
+
   # Environment variables from secret for S3 credentials
   extraEnv:
     - name: S3_ACCESS_KEY