Use Jib to build the Docker image.

Change-Id: Ie528da5c7d3de5f62f8005edc909da15224a87a9
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 80a4620..1e6de8a 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -64,6 +64,15 @@
 # Deployment
 docker.registry = docker.benkard.de
 
+quarkus.container-image.build = true
+quarkus.container-image.push = true
+quarkus.container-image.group = mulk
+quarkus.container-image.name = mulkcms2
+quarkus.container-image.registry = docker.benkard.de
+
+quarkus.jib.base-jvm-image = adoptopenjdk:14-jre-hotspot
+quarkus.jib.jvm-arguments = -XX:+UnlockExperimentalVMOptions,-XX:+UseShenandoahGC,-XX:ShenandoahGCHeuristics=compact
+
 kubernetes.deployment.target = kubernetes
 kubernetes.group = mulk
 kubernetes.name = mulkcms2