added jenkinsfile for CI

Jenkinsfile

@@ -0,0 +1,47 @@
+def label = "node-${UUID.randomUUID().toString()}"
+
+podTemplate(label: label, inheritFrom: 'base', , containers: [
+  containerTemplate(name: 'base', image: 'taylorchristieyardstick/build-base:node')
+]) {
+  node(label) {
+    stage('Checkout Project') {
+      container('base') {
+          checkout scm
+      }
+    }
+    stage('Install Dependencies') {
+      container('base') {
+        sh "npm ci"
+        sh "npm install -g typescript"
+      }
+    }
+    stage('Run unit tests') {
+      container('base') {
+        sh "npm test"
+      }
+    }
+    stage('Build the Project') {
+      container('base') {
+        sh "tsc"
+      }
+    }
+    stage('Login to Dockerhub') {
+        withCredentials([usernamePassword(credentialsId: 'DockerHubAccessYardstick', usernameVariable: 'USER', passwordVariable: 'PASS')]) {
+            container('base') {
+                sh "docker login --username ${USER} --password ${PASS}"
+            }
+        }
+    }
+    stage('Build the Docker Image') {
+      container('base') {
+        sh "make build"
+      }
+    }
+
+    stage('Push the Docker Image') {
+      container('base') {
+        sh "make push"
+      }
+    }
+  }
+}