feat(charts): added simple template chart

template-chart/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

template-chart/Chart.yaml

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+apiVersion: v2
+name: xxx
+description: A Helm chart to deploy xxx on Kubernetes
+
+type: application
+
+version: 1.0.0+upxxx
+appVersion: "xxx"
+
+maintainers:
+  - name: jklein

template-chart/templates/xxx.deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+  labels:
+    app: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+  template:
+    metadata:
+      name: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+      labels:
+        app: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+    spec:
+      automountServiceAccountToken: false
+      containers:
+        - name: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+          image: "registry/image:{{ .Chart.AppVersion }}"
+          imagePullPolicy: IfNotPresent
+          ports:
+            - containerPort: 80
+              protocol: TCP
+              name: http
+          resources:
+            requests:
+              memory: "{{ .Values.xxx.resources.requests.memory }}"
+              cpu: "{{ .Values.xxx.resources.requests.cpu }}"
+              ephemeral-storage: "{{ .Values.xxx.resources.requests.ephemeralStorage }}"
+            limits:
+              memory: "{{ .Values.xxx.resources.limits.memory }}"
+              cpu: "{{ .Values.xxx.resources.limits.cpu }}"
+              ephemeral-storage: "{{ .Values.xxx.resources.limits.ephemeralStorage }}"
+      restartPolicy: Always

template-chart/templates/xxx.ingress.yaml

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+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ .Release.Name }}-{{ .Chart.Name }}-ingress
+  annotations:
+    cert-manager.io/cluster-issuer: {{ required "A Cluster-Issuer must be provided" .Values.ingress.clusterIssuer}}
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: {{ required "A Domain/Host must be provided" .Values.ingress.domain }}
+      http:
+        paths:
+          - backend:
+              service:
+                name: {{ .Release.Name }}-{{ .Chart.Name }}-service
+                port:
+                  name: http
+            path: /
+            pathType: Prefix
+  tls:
+    - hosts:
+        - {{ required "A Domain/Host must be provided" .Values.ingress.domain }}
+      secretName: tls-{{ .Release.Name }}-{{ .Chart.Name }}-ingress

template-chart/templates/xxx.service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-{{ .Chart.Name }}-service
+spec:
+  selector:
+    app: {{ .Release.Name }}-{{ .Chart.Name }}-deployment
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: http
+      name: http
+  type: ClusterIP

template-chart/values.yaml

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+xxx:
+  resources:
+    requests:
+      cpu: 0.1
+      memory: 512Mi
+      ephemeralStorage: 10Mi
+    limits:
+      cpu: 1
+      memory: 768Mi
+      ephemeralStorage: 100Mi
+
+ingress:
+  enabled: true
+  clusterIssuer: letsencrypt
+  domain: null