Add Go demo with isolated CI and manual production release

config/dev/service.yaml

@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: demo-dev
+  namespace: platform-dev
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: dev
+  ports:
+    - name: http
+      port: 80
+      targetPort: 18080
+      protocol: TCP