Build the image:

docker build -t demo-app .

Run container locally:

docker run --rm -p 8080:80 demo-app
open http://localhost:8080

Publish image to quay.

docker tag demo-app github.com/akash-network/demo-app
docker push github.com/akash-network/demo-app