From a28db1db2477135e9bdf4ff668894174a3dd0d3b Mon Sep 17 00:00:00 2001
From: Marcel Loop <marcel.loop@swisscom.com>
Date: Sat, 23 Apr 2022 11:44:36 +0200
Subject: [PATCH] respect PROMETHEUS_MULTIPROC_DIR in example metrics view

---
 starlette_prometheus/view.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/starlette_prometheus/view.py b/starlette_prometheus/view.py
index e4073a3..79b07e6 100644
--- a/starlette_prometheus/view.py
+++ b/starlette_prometheus/view.py
@@ -6,7 +6,7 @@
 
 
 def metrics(request: Request) -> Response:
-    if "prometheus_multiproc_dir" in os.environ:
+    if "prometheus_multiproc_dir" in os.environ or "PROMETHEUS_MULTIPROC_DIR" in os.environ:
         registry = CollectorRegistry()
         MultiProcessCollector(registry)
     else: