docs(recipes): Update Kubernetes deployment instructions

docs/recipes/docker-server/README.md

@@ -55,17 +55,16 @@ gcloud config set compute/zone "$COMPUTE_ZONE"
 # Create our Kubernetes cluster for LHCI
 gcloud container clusters create lhci-cluster --num-nodes=1
 
-# Deploy the LHCI server pod
-curl https://raw.githubusercontent.com/GoogleChrome/lighthouse-ci/master/docs/recipes/docker-server/kubernetes/lhci-data-claim.yml > lhci-data-claim.yml
-curl https://raw.githubusercontent.com/GoogleChrome/lighthouse-ci/master/docs/recipes/docker-server/kubernetes/lhci-pod.yml > lhci-pod.yml
+# Deploy the LHCI server
+curl -O https://raw.githubusercontent.com/GoogleChrome/lighthouse-ci/master/docs/recipes/docker-server/kubernetes/lhci-data-claim.yml
+curl -O https://raw.githubusercontent.com/GoogleChrome/lighthouse-ci/master/docs/recipes/docker-server/kubernetes/lhci-deployment.yml
+curl -O https://raw.githubusercontent.com/GoogleChrome/lighthouse-ci/master/docs/recipes/docker-server/kubernetes/lhci-service.yml
 kubectl apply -f ./lhci-data-claim.yml
-kubectl apply -f ./lhci-pod.yml
+kubectl apply -f ./lhci-deployment.yml
+kubectl apply -f ./lhci-service.yml
 
-# Make sure our pod was created successfully
-kubectl get pods
-
-# Expose LHCI to the internet
-kubectl expose pod lhci-pod --type=LoadBalancer --port 80 --target-port 9001 --name=lhci-server
+# Make sure our deployment was created successfully
+kubectl get deployment
 
 # Check the IP of your LHCI server installation!
 kubectl get service

docs/recipes/docker-server/kubernetes/lhci-deployment.yml

@@ -0,0 +1,34 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: lhci-server
+spec:
+  selector:
+    matchLabels:
+      name: lhci-server
+  # there can be only one pod at a time because of the persistent volume claim
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      name: lhci-pod
+      labels:
+        name: lhci-server
+    spec:
+      containers:
+        - name: lhci-server
+          image: docker.io/patrickhulce/lhci-server:0.6.1
+          volumeMounts:
+            - mountPath: '/data'
+              name: lhci-data-volume
+          # required for ingress health checks to work
+          ports:
+            - containerPort: 9001
+          readinessProbe:
+            httpGet:
+              path: /app/
+              port: 9001
+      volumes:
+        - name: lhci-data-volume
+          persistentVolumeClaim:
+            claimName: lhci-data-claim

docs/recipes/docker-server/kubernetes/lhci-ingress.yml

@@ -0,0 +1,31 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: lhci-server
+spec:
+  ports:
+  - port: 80
+    targetPort: 9001
+  selector:
+    name: lhci-server
+  type: NodePort
+---
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: lhci-server
+  annotations:
+    kubernetes.io/ingress.global-static-ip-name: lhci-example-com
+    networking.gke.io/managed-certificates: lhci-example-com
+spec:
+  backend:
+    serviceName: lhci-server
+    servicePort: 80
+---
+apiVersion: networking.gke.io/v1beta2
+kind: ManagedCertificate
+metadata:
+  name: lhci-example-com
+spec:
+  domains:
+    - lhci.example.com

docs/recipes/docker-server/kubernetes/lhci-service.yml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: lhci-server
+spec:
+  ports:
+  - port: 80
+    targetPort: 9001
+  selector:
+    name: lhci-server
+  type: LoadBalancer

docs/recipes/docker-server/update-dockerhub.sh

@@ -14,7 +14,7 @@ read -n 1 -p "Press any key to continue, Ctrl+C to exit..."
 
 printf "\nUpdating local files...\n\n"
 
-sed -i "" "s/$CURRENT_VERSION/$LATEST_VERSION/" package.json kubernetes/lhci-pod.yml
+sed -i "" "s/$CURRENT_VERSION/$LATEST_VERSION/" package.json kubernetes/lhci-deployment.yml
 git --no-pager diff .
 
 printf "Continue publishing $LATEST_VERSION?\n"