Added Rolling Update and Liveness Probe

.dockerignore

@@ -1,2 +1,4 @@
 .next/
 node_modules/
+out/
+nginx.conf

Dockerfile

@@ -1,18 +1,27 @@
-FROM node:carbon as builder
+FROM node:erbium as builder
 
 WORKDIR /app
 
-ADD . .
 
 ENV NODE_ENV production
 
-RUN npm install
+RUN npm install -g yarn
+
+ADD package.json . 
 
-RUN npm run build
+ADD yarn.lock . 
 
-RUN npm run export
+RUN yarn install
+
+ADD . .
+
+RUN yarn build
+
+RUN yarn export
 
 FROM nginx:1.17.5-alpine
 
+ADD nginx.conf /etc/nginx/nginx.conf
+
 COPY --from=builder /app/out/ /usr/share/nginx/html/
 

cloud-deploy.yml

@@ -8,6 +8,10 @@ metadata:
 spec:
   replicas: 2
   revisionHistoryLimit: 2
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
   selector:
     matchLabels:
       app: home
@@ -23,6 +27,16 @@ spec:
           ports:
             - containerPort: 80
               protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /health
+              port: 80
+            initialDelaySeconds: 3
+            periodSeconds: 3
+          lifecycle:
+            preStop:
+              exec:
+                command: ["/usr/sbin/nginx","-s","quit"]
 ---
 apiVersion: v1
 kind: Service

nginx.conf

@@ -0,0 +1,34 @@
+user  nginx;
+worker_processes  auto;
+
+pid        /var/run/nginx.pid;
+
+
+events {
+  worker_connections  1024;
+}
+
+
+http {
+  include       /etc/nginx/mime.types;
+  default_type  application/octet-stream;
+
+  sendfile        on;
+
+  keepalive_timeout  65;
+
+  server {
+    listen       80;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /health {
+        return 200 'alive';
+        add_header Content-Type text/plain;
+    }
+  }
+}