Add initial jenkinsfile

Jenkinsfile

@@ -0,0 +1,18 @@
+node('Slave_AWS'){
+    stage('Checkout')
+    {
+        git 'https://github.com/spring-projects/spring-petclinic.git'
+    }
+    stage('Build')
+    {
+        sh 'docker run --rm --name build_maven -v $(pwd):/app docker.io/maven:alpine bash -c "cd app;mvn clean install"'
+    }
+    stage('Unit Test')
+    {
+        junit 'target/surefire-reports/*.xml'
+    }
+    stage('Archive artifact')
+    {
+        archiveArtifacts 'target/spring-petclinic-1.5.1.jar'
+    }
+}