Added a configmap example

charts/demo-helm/templates/backend.yaml

@@ -27,6 +27,12 @@ spec:
           imagePullPolicy: Always
           ports:
             - containerPort: 5000
+          env:
+            - name: RANDOM_DATA
+              valueFrom:
+                configMapKeyRef:
+                  name: {{ $.Release.Name }}-{{ $.Chart.Name}}-configmap
+                  key: random_data
       imagePullSecrets:
         - name: {{ $.Values.image_pull_secret }}
   {{- end }}

charts/demo-helm/templates/configmap.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ $.Release.Name }}-{{ $.Chart.Name}}-configmap
+data:
+  random_data: {{ .Values.random | quote }}

charts/demo-helm/values.yaml

@@ -9,3 +9,4 @@ services:
     image_name: "registry.runcible.io/demo-helm-backend"
     image_version: "1.1.0"
     replicas: 1
+random: "tis-random-default"