Sample Helidon SE project that includes multiple REST operations.
docker build -t helidon/demo-thinjar . -f Dockerfile
docker build -t helidon/demo-fatjar . -f Dockerfile.fatjar
sed -i "s/^[#]*\s*app.greeting=.*/app.greeting=Bonjour/" src/main/resources/application.properties
docker run --rm -p 8080:8080 helidon/demo-fatjar:latest