[stable/mercure] Add support for proxy headers (#15772)

Signed-off-by: Kévin Dunglas <dunglas@gmail.com>

stable/mercure/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
-appVersion: "0.5.0"
+appVersion: "0.6.0"
 description: The Mercure hub allows to push data updates using the Mercure protocol to web browsers and other HTTP clients in a convenient, fast, reliable and battery-efficient way
 name: mercure
-version: 1.0.8
+version: 1.0.9
 keywords:
 - mercure
 - hub

stable/mercure/templates/configmap.yaml

@@ -22,3 +22,4 @@ data:
   historySize: {{ .Values.historySize | quote }}
   readTimeout: {{ .Values.readTimeout | quote }}
   writeTimeout: {{ .Values.writeTimeout | quote }}
+  useForwardedHeaders: {{ .Values.useForwardedHeaders | quote }}

stable/mercure/templates/deployment.yaml

@@ -100,6 +100,11 @@ spec:
                 configMapKeyRef:
                   name: {{ include "mercure.fullname" . }}
                   key: writeTimeout
+            - name: USE_FORWARDED_HEADERS
+              valueFrom:
+                configMapKeyRef:
+                  name: {{ include "mercure.fullname" . }}
+                  key: useForwardedHeaders
           livenessProbe:
             httpGet:
               path: /

stable/mercure/values.yaml

@@ -16,6 +16,7 @@ historyCleanupFrequency: 0.3
 historySize: 0
 readTimeout: "0s"
 writeTimeout: "0s"
+useForwardedHeaders: "0"
 
 image:
   repository: dunglas/mercure