I know, I know, this is not how I’m supposed to do it, but I can't think of something better.

Jenkinsfile

@@ -128,7 +128,7 @@ spec:
         stage('Docker build & push') {
             steps {
                 script {
-                    dockerBuildAndPush(env.NEXUS_DOCKER_URL, "json-echo", "./Dockerfile", "target", "admin", env.NEXUS_DOCKER_PASS)
+                    customDockerBuildAndPush(env.NEXUS_DOCKER_URL, "json-echo", "./Dockerfile", "target", "admin", env.NEXUS_DOCKER_PASS)
                 }
             }
         }