Run Smashing in a Docker container.
Link: salbob/smashing
docker run -d -p 8080:3030 salbob/smashing
And point your browser to http://localhost:8080/.
If you want smashing to use a custom port inside the container, e g 8080, use the environment variable $PORT
:
docker run -d -e PORT=8080 -p 80:8080 salbob/smashing