Build the Docker image:
$docker build -t helloworld .
Run the Docker image:
$docker run -it helloword
Run Docker image with port binding:
docker run -it -p 8080:3000 -t helloworld
Build + run the Docker image with port binding:
docker build -t helloworld . && docker run -p 8080:3000 -it -t helloworld
Once running app is available on : http://localhost:8080/