Add docker-registry example [ci skip]

docs/examples/docker-registry/deployment.yaml

@@ -0,0 +1,56 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: docker-registry
+
+---
+
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: docker-registry
+  namespace: docker-registry
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: docker-registry
+  template:
+    metadata:
+      labels:
+        app: docker-registry
+    spec:
+      containers:
+        - name: docker-registry
+          image: registry:2.6.2
+          env:
+            - name: REGISTRY_HTTP_ADDR
+              value: ":5000"
+            - name: REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY
+              value: "/var/lib/registry"
+          ports:
+          - name: http
+            containerPort: 5000
+          volumeMounts:
+          - name: image-store
+            mountPath: "/var/lib/registry"
+      volumes:
+        - name: image-store
+          emptyDir: {}
+
+---
+
+kind: Service
+apiVersion: v1
+metadata:
+  name: docker-registry
+  namespace: docker-registry
+  labels:
+    app: docker-registry
+spec:
+  selector:
+    app: docker-registry
+  ports:
+  - name: http
+    port: 5000
+    targetPort: 5000