Add port names and run controller action only when changes occur to the controller (#44)

.github/workflows/controller-docker-image.yml

@@ -4,6 +4,10 @@ on:
   push:
     branches:
     - master
+    paths:
+    - cmd/controller/**
+    - docker/controller/**
+    - pkg/**
 
 jobs:
   docker:

charts/controller/Chart.yaml

 apiVersion: v2
 name: juice-controller
-version: 1.0.3
+version: 1.0.4
 type: application
 home: https://github.com/Juice-Labs/Juice-Labs
 icon: https://raw.githubusercontent.com/Juice-Labs/Juice-Labs/master/assets/Juice.svg

charts/controller/templates/service.yaml

@@ -12,11 +12,13 @@ spec:
   selector:
     app.juicelabs.co/controller: frontend
   ports:
-    - protocol: TCP
+    - name: controller
+      protocol: TCP
       port: {{ .Values.service.port }}
       targetPort: controller
 {{- if .Values.prometheus }}
-    - protocol: TCP
+    - name: prometheus
+      protocol: TCP
       port: {{ .Values.prometheus.port }}
       targetPort: prometheus
 {{- end }}