diff --git a/Jenkinsfile b/Jenkinsfile
index 29f8660e2..15a7a43a5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,19 +1,38 @@
 #!groovy
-@Library('github.com/cloudogu/ces-build-lib@1.35.1')
-import com.cloudogu.ces.cesbuildlib.*
+
+// "Constants"
+String getCesBuildLibVersion() { '1.44.3' }
+String getCesBuildLibRepo() { 'https://github.com/cloudogu/ces-build-lib/' }
+String getAppDockerRegistry() { 'eu.gcr.io/cloudogu-backend' }
+String getCloudoguDockerRegistry() { 'ecosystem.cloudogu.com' }
+String getRegistryCredentials() { 'jenkins' }
+String getScmManagerCredentials() { 'jenkins' }
+String getKubectlImage() { 'lachlanevenson/k8s-kubectl:v1.18.2' }
+String getJdkImage() { 'bellsoft/liberica-openjdk-alpine' }
+String getHelmImage() { "${cloudoguDockerRegistry}/build-images/helm-kubeval:gcl308.0.0-alpine-helmv3.3.1" }
+String getKubevalImage() { 'garethr/kubeval:0.15.0' }
+String getGitVersion() { '2.24.3' }
+String getConfigRepositoryUrl() { "https://ecosystem.cloudogu.com/scm/repo/backend/k8s-gitops" }
+String getConfigRepositoryPRUrl() { 'ecosystem.cloudogu.com/scm/api/v2/pull-requests/backend/k8s-gitops' }
+String getDockerRegistryBaseUrl() { "https://console.cloud.google.com/gcr/images/cloudogu-backend/eu/${application}.cloudogu.com" }
+String getHelmReleaseChartSourceUrl() { "ssh://k8s-git-ops@ecosystem.cloudogu.com:2222/repo/backend/myCloudogu-helm-chart" }
+// Redundant definition of helm repo, because Flux connects via SSH and Jenkins via HTTPS. Best would be to use SSH on Jenkins -> No redundancy
+String getHelmChartRepoSourceUrl() { "https://ecosystem.cloudogu.com/scm/repo/backend/myCloudogu-helm-chart" }
+String getHelmChartTag() { "1.0.4" }
 
 properties([
         // Don't run concurrent builds, because the ITs use the same port causing random failures on concurrent builds.
         disableConcurrentBuilds()
 ])
 
+cesBuilbLib = library(identifier: "ces-build-lib@${cesBuildLibVersion}",
+        retriever: modernSCM([$class: 'GitSCMSource', remote: cesBuildLibRepo])
+).com.cloudogu.ces.cesbuildlib
+def git = cesBuilbLib.Git.new(this, scmManagerCredentials)
+
 node {
 
-    String cesFqdn = findHostName()
-    String cesUrl = "https://${cesFqdn}"
-    String credentialsId = 'scmCredentials'
-
-    Maven mvn = new MavenWrapper(this)
+    mvn = cesBuilbLib.MavenWrapper.new(this)
 
     catchError {
 
@@ -41,18 +60,44 @@ node {
 
         stage('Static Code Analysis') {
 
-            def sonarQube = new SonarQube(this, [usernamePassword: credentialsId, sonarHostUrl: "${cesUrl}/sonar"])
 
-            sonarQube.analyzeWith(mvn)
+        }
+
+        stage('Docker') {
+            if (isBuildSuccessful()) {
+                def docker = cesBuilbLib.Docker.new(this)
+
+                String imageTag = createImageTag()
+                imageName = "docker-registry:9092/petclinic-plain:${imageTag}"
+                def dockerImage = docker.build(imageName)
+                dockerImage.push()
+            } else {
+                echo 'Skipping docker push, because build not successful or neither on develop branch nor "forceDeployStaging" param set'
+            }
         }
 
         stage('Deploy') {
-            mvn.useDeploymentRepository([id: cesFqdn, url: "${cesUrl}/nexus", credentialsId: credentialsId, type: 'Nexus3'])
 
-            mvn.deployToNexusRepository('-Dmaven.javadoc.failOnError=false')
         }
     }
 
     // Archive Unit and integration test results, if any
     junit allowEmptyResults: true, testResults: '**/target/failsafe-reports/TEST-*.xml,**/target/surefire-reports/TEST-*.xml'
 }
+
+
+/**
+ * Reflect build parameters version name.
+ * This is meant to support GitOps PR reviewers to avoid releasing versions not meant for production.
+ */
+String createImageTag() {
+    def git = cesBuilbLib.Git.new(this)
+    String branch = git.simpleBranchName
+    String branchSuffix = ""
+
+    if (!"develop".equals(branch)) {
+        branchSuffix = "-${branch}"
+    }
+
+    return "${new Date().format('yyyyMMddHHmm')}-${git.commitHashShort}${branchSuffix}"
+}
diff --git a/pom.xml b/pom.xml
index e4e74747a..8def0edf4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -131,6 +131,11 @@
       <artifactId>spring-boot-devtools</artifactId>
       <optional>true</optional>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
diff --git a/src/test/java/org/springframework/samples/petclinic/owner/OwnerControllerITCase.java b/src/test/java/org/springframework/samples/petclinic/owner/OwnerControllerITCase.java
index 3ffd69ce0..7ea5bd845 100644
--- a/src/test/java/org/springframework/samples/petclinic/owner/OwnerControllerITCase.java
+++ b/src/test/java/org/springframework/samples/petclinic/owner/OwnerControllerITCase.java
@@ -1,6 +1,5 @@
 package org.springframework.samples.petclinic.owner;
 
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -14,16 +13,17 @@ import static org.assertj.core.api.Assertions.assertThat;
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 public class OwnerControllerITCase {
 
-    @Autowired
-    private TestRestTemplate restTemplate;
+	@Autowired
+	private TestRestTemplate restTemplate;
+
+	/**
+	 * Note: This test exists only for the purpose of serving as an example! Please write
+	 * tests more sensible than this for your own applications.
+	 */
+	@Test
+	public void assertsUser1IsGeorgeFranklin() {
+		String body = this.restTemplate.getForObject("/owners/1", String.class);
+		assertThat(body).contains("<td><b>George Franklin</b></td>");
+	}
 
-    /**
-     * Note: This test exists only for the purpose of serving as an example! Please write tests more sensible
-     * than this for your own applications.
-     */
-    @Test
-    public void assertsUser1IsGeorgeFranklin() {
-        String body = this.restTemplate.getForObject("/owners/1", String.class);
-        assertThat(body).contains("<td><b>George Franklin</b></td>");
-    }
 }