added jenkinsfile

Jenkinsfile

@@ -0,0 +1,34 @@
+pipeline {
+    agent any
+
+    stages{
+        stage('Code'){
+            steps{
+                git url: 'https://github.com/LondheShubham153/node-todo-cicd.git', branch: 'master' 
+            }
+        }
+        stage('Build'){
+            steps{
+                sh 'docker build . -t trainwithshubham/node-todo-test:latest'
+            }
+        }
+        stage('Push'){
+            steps{
+                withCredentials([usernamePassword(credentialsId: 'dockerHub', passwordVariable: 'dockerHubPassword', usernameVariable: 'dockerHubUser')]) {
+        	     sh "docker login -u ${env.dockerHubUser} -p ${env.dockerHubPassword}"
+                 sh 'docker push trainwithshubham/node-todo-test:latest'
+                }
+            }
+        }
+        stage('Test'){
+            steps{
+                echo "Testing the new build .."
+            }
+        }
+        stage('Deploy'){
+            steps{
+                sh "docker-compose down && docker-compose up -d"
+            }
+        }
+    }
+}