See: GoogleContainerTools/jib#2267
Resolution: with 2.0.0 using fat jars is not possible anymore. Check alternative here or here.
./mvnw -P before-2
docker run --rm -it daggerok/github-jib-issue-2267-app-1.8.0
./mvnw -P after-2
docker run --rm -it daggerok/github-jib-issue-2267-app-2.0.0See pom.xml file for details.