add ingress to helm chart

Author: stroebitzer

helm-chart/README.md

@@ -0,0 +1,4 @@
+The chart is currently used in the following trainings. Ensure you do not introduce any breaking changes to it.
+
+- in K1
+- in KKP

helm-chart/templates/ingress.yaml

@@ -0,0 +1,27 @@
+if {{ Values.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: my-app
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-issuer"
+  labels:
+    app: my-app
+spec:
+  ingressClassName: 'nginx'
+  tls:
+    - hosts:
+        - {{ .Values.domain }}
+      secretName: letsencrypt-tls
+  rules:
+    - host: {{ .Values.domain }}
+      http:
+        paths:
+          - pathType: Prefix
+            path: /
+            backend:
+              service:
+                name: my-app
+                port:
+                  number: 80
+{{ end }}                

helm-chart/values.yaml

@@ -7,8 +7,11 @@ color: white
 message: "Hello from the app installed via helm"
 catMode: true
 
+deployment:
+  replicas: 1
+
 service:
   type: ClusterIP
 
-deployment:
-  replicas: 1
+ingress:
+  enabled: false