fix: use serverPort from config.port, add default value

templates/service.yaml

@@ -7,7 +7,7 @@ metadata:
 spec:
   type: {{ .Values.service.type }}
   ports:
-  - port: {{ .Values.service.port }}
+  - port: {{ .Values.config.port }}
     targetPort: http
     protocol: TCP
     name: http

values.yaml

@@ -4,7 +4,7 @@ config:
   urlPath: ""
   host: ""
   port: ""
-  path: ""
+  path: "3000"
   loglevel: ""
   urlAddPort: ""
   useSSL: ""
@@ -178,7 +178,8 @@ securityContext: {}
 
 service:
   type: ClusterIP
-  port: 3000
+  # Port option used from config.port
+  #  port: 3000
 
 ingress:
   enabled: false