Make sure to install the dependencies:
docker build --pull --rm -f "nuxt-ssr-docker/Dockerfile" -t nuxtdocker:latest "nuxt-ssr-docker"
Start the docker container with below command and app can be accessed at http://localhost:8080/
docker run --rm -d -p 8080:8080/tcp nuxtdocker:latest
Check out the steps to dockerize nuxt for more information.