add isolated live development deployments

dev/helm/templates/deployment.yaml

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+{{- $instance := required "instance is required" .Values.instance -}}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name | quote }}
+  labels:
+    app.kubernetes.io/name: {{ .Chart.Name | quote }}
+    app.kubernetes.io/instance: {{ $instance | quote }}
+    dev.mancave.link/instance: {{ $instance | quote }}
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ .Chart.Name | quote }}
+      dev.mancave.link/instance: {{ $instance | quote }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ .Chart.Name | quote }}
+        app.kubernetes.io/instance: {{ $instance | quote }}
+        dev.mancave.link/instance: {{ $instance | quote }}
+    spec:
+      containers:
+        - name: nginx
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+          volumeMounts:
+            - name: source
+              mountPath: /usr/share/nginx/html
+              subPath: {{ required "sharedVolume.subPath is required" .Values.sharedVolume.subPath | quote }}
+      volumes:
+        - name: source
+          persistentVolumeClaim:
+            claimName: {{ .Values.sharedVolume.claimName | quote }}

dev/helm/templates/ingress.yaml

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+{{- $instance := required "instance is required" .Values.instance -}}
+{{- $host := required "ingress.host is required" .Values.ingress.host -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ .Release.Name | quote }}
+  labels:
+    app.kubernetes.io/name: {{ .Chart.Name | quote }}
+    app.kubernetes.io/instance: {{ $instance | quote }}
+    dev.mancave.link/instance: {{ $instance | quote }}
+spec:
+  ingressClassName: {{ .Values.ingress.className }}
+  rules:
+    - host: {{ $host | quote }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ .Release.Name | quote }}
+                port:
+                  number: {{ .Values.service.port }}

dev/helm/templates/service.yaml

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+{{- $instance := required "instance is required" .Values.instance -}}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name | quote }}
+  labels:
+    app.kubernetes.io/name: {{ .Chart.Name | quote }}
+    app.kubernetes.io/instance: {{ $instance | quote }}
+    dev.mancave.link/instance: {{ $instance | quote }}
+spec:
+  type: ClusterIP
+  selector:
+    app.kubernetes.io/name: {{ .Chart.Name | quote }}
+    dev.mancave.link/instance: {{ $instance | quote }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP