Add smtp support in helm chart

helm/templates/deployment.yaml

@@ -46,6 +46,31 @@ spec:
           {{- with .Values.extraEnv }}
             {{- toYaml . | nindent 12 }}
           {{- end }}
+          - name: SMTP_SERVER_HOST
+            valueFrom:
+              configMapKeyRef:
+                name: smtp-config
+                key: smtp.host
+          - name: SMTP_SERVER_USERNAME
+            valueFrom:
+              configMapKeyRef:
+                name: smtp-config
+                key: smtp.user
+          - name: SMTP_SERVER_PASSWORD
+            valueFrom:
+              secretKeyRef:
+                name: {{ .Values.smtp.passwordSecret }}
+                key: {{ .Values.smtp.passwordKey }}
+          - name: SITE_MAIL_SENDER
+            valueFrom:
+              configMapKeyRef:
+                name: smtp-config
+                key: smtp.sendFrom
+          - name: SITE_MAIL_RECEIVER
+            valueFrom:
+              configMapKeyRef:
+                name: smtp-config
+                key: smtp.sendTo
           {{- with .Values.livenessProbe }}
           livenessProbe:
             {{- toYaml . | nindent 12 }}

helm/templates/smtp-cm.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: smtp-config
+data:
+  smtp.host: {{ .Values.smtp.host }}
+  smtp.user: {{ .Values.smtp.user }}
+  smtp.sendFrom: {{ .Values.smtp.sendFrom }}
+  smtp.sendTo: {{ .Values.smtp.sendTo }}

helm/values.yaml

@@ -101,3 +101,11 @@ nodeSelector: {}
 tolerations: []
 
 affinity: {}
+
+smtp:
+  host: mail.example.com
+  user: ""
+  passwordSecret: ""
+  passwordKey: password
+  sendFrom: ""
+  sendTo: ""