add k8s deployment, improved Dockerfiles and docker-compose.yaml files

charts/templates/service-frontend.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Values.frontend.service.name }}
+  labels:
+    {{- include "htwkalender.labels" . | nindent 4 }}
+  namespace: {{ .Release.Namespace }}
+spec:
+  type: ClusterIP
+  selector:
+    {{- include "htwkalender.selectorLabels" . | nindent 4 }}
+    component: frontend
+  ports:
+    - port: {{ .Values.frontend.service.port }}
+      targetPort: {{ .Values.frontend.service.targetPort }}
+      protocol: TCP
+      name: frontend