Update Dockerfile, Jenkinsfile, changeTag.sh, agile-singledb-node-frontend-postgress-testing.yml

Dockerfile

+# base image
+FROM node:12.2.0-alpine
+
+RUN apk --update add git
+
+WORKDIR /app
+# add `/app/node_modules/.bin` to $PATH
+ENV PATH /app/node_modules/.bin:$PATH
+# install and cache app dependencies
+COPY . /app/
+RUN npm install -g serve
+EXPOSE 5000
+# To start app
+ENTRYPOINT ["serve", "-s", "build"]
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Jenkinsfile

+pipeline {
+    agent{
+        label 'nodejs'
+    }
+    environment {
+        DOCKER_TAG = "v${env.BUILD_NUMBER}"
+    }
+    options{
+        // Stop the build early in case of compile or test failures
+        skipStagesAfterUnstable()
+    }
+    stages {
+        
+        stage("Testing"){
+            steps{
+                echo "no script"
+                
+                sh label: '', script: 'chmod +x changeTag.sh'
+                sh label: '', script: './changeTag.sh ${DOCKER_TAG}'
+
+            }
+        }
+        stage("Build Project"){
+            steps{
+                sh label: '', script: '''npm install --production
+npm install react-scripts -g --silent
+npm run build'''
+            }
+        }
+        stage("Building Frontend Image"){
+            steps{
+                
+                    sh label: '', script: '''docker build -t novisync-web-react-front-prod:v1 .
+docker tag novisync-web-react-front-prod:v1 docker-registry-server:5000/novisync-web-react-front-prod:${DOCKER_TAG}'''
+                
+                
+            }
+        }
+        stage("Docker push Frontend Image"){
+            steps{
+                sh label: '', script: 'docker push docker-registry-server:5000/novisync-web-react-front-prod:${DOCKER_TAG}'
+            }
+        }
+        stage("Deploy Frontend to k8s"){
+            steps{
+                
+                   sh label: '', script: 'sshpass -f "/root/suresh/k8s-pro" scp -o StrictHostKeyChecking=no novisync-web-react-frontend.yml root@192.168.6.110:/root/suresh/'
+               sh label: '', script: 'sshpass -f "/root/suresh/k8s-pro" ssh -o StrictHostKeyChecking=no root@192.168.6.110 \'kubectl apply -f /root/suresh/novisync-web-react-frontend.yml\''
+            }        
+        }
+        
+    }
+} 
+def getDockerTag(){
+    def tag = sh script: ' git rev-parse HEAD', returnStdout: true
+    return tag
+}
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agile-singledb-node-frontend-postgress-testing.yml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+   name: novisync-web-react-front-prod
+   namespace: nodejsprod
+spec:
+   replicas: 1
+   selector:
+     matchLabels:
+       app: novisync-web-react-front-prod-app
+   template:
+      metadata:
+        labels:
+          app: novisync-web-react-front-prod-app
+      spec:
+        
+        containers:
+        - image: docker-registry-server:5000/novisync-web-react-front-prod:tagVersion
+          name: novisync-web-react-front-prod-cont
+          resources:
+                  requests:
+                          memory: "1Mi"
+                          cpu: "0.1"
+                  limits:
+                          memory: "1000Mi"
+                          cpu: "0.7"
+          
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: novisync-web-react-front-prod-svc
+  namespace: nodejsprod
+spec:
+  selector:
+     app: novisync-web-react-front-prod-app
+  type: NodePort
+  ports:
+    - nodePort: 31131
+      port: 5000
+      targetPort: 5000
+      
+---
+apiVersion: autoscaling/v1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: novisync-web-react-front-prod-autoscale
+  namespace: nodejsprod
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: novisync-web-react-front-prod
+  minReplicas: 1
+  maxReplicas: 5
+  targetCPUUtilizationPercentage: 75

changeTag.sh

+#! /bin/bash
+
+tag="$1"
+sed -i "s/tagVersion/$tag/g" novisync-web-react-frontend.yml
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