add k8s template files for deployment

k8s/.gitignore

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+base_k3d/
+overlays/k3d/

k8s/base/deployment.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: style-lab-service
+spec:
+  type: NodePort
+  ports:
+    - protocol: TCP
+      port: 80
+  selector:
+    app: style-lab
+---
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: style-lab
+spec:
+  selector:
+    matchLabels:
+      app: style-lab
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: style-lab
+    spec:
+      containers:
+        - name: style-lab
+          image: style-lab:latest
+          ports:
+            - containerPort: 80

k8s/base/kustomization.yaml

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+commonLabels:
+  app: style-lab
+resources:
+  - deployment.yaml

k8s/overlays/caas/ci_image.yaml

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+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: style-lab
+spec:
+  template:
+    spec:
+      containers:
+        - name: style-lab
+          image: $IMAGE_NAME

k8s/overlays/caas/kustomization.yaml

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+commonLabels:
+  varient: caas
+commonAnnotations:
+  note: CaaS varients
+bases:
+ - ../../base
+patches:
+ - ci_image.yaml
+ - replicas.yaml
+ - probes.yaml
+ - registry_credentials.yaml

k8s/overlays/caas/probes.yaml

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+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: style-lab
+spec:
+  template:
+    spec:
+      containers:
+        - name: style-lab
+          readinessProbe:
+            httpGet:
+              path: /style-lab/
+              port: 80
+            initialDelaySeconds: 5
+            timeoutSeconds: 1
+            periodSeconds: 15
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 15
+            timeoutSeconds: 1
+            periodSeconds: 15

k8s/overlays/caas/registry_credentials.yaml

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+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: style-lab
+spec:
+  template:
+    spec:
+      imagePullSecrets:
+      - name: gitlab

k8s/overlays/caas/replicas.yaml

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+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: style-lab
+spec:
+  replicas: 2