$ docker build .
Resultant Iamge Id: 8f1eb8d97a36
$ docker build -t nodeappimage:v101
$ docker run -p 8000:3000 8f1eb8d97a36
$ docker stop 8f1eb8d97a36
$ docker run -p 8000:3000 --name nodeapp 8f1eb8d97a36
$ docker rm nodeapp
$ docker rmi nodeappimage
$ docker run -p 8000:3000 -d --name nodeapp --rm 8f1eb8d97a36
$ docker build .
Resultant Iamge Id: ee56aea18773
$ docker build -t pythonappimage:v202
$ docker run -it ee56aea18773
$ docker stop ee56aea18773
$ docker run -p 8000:3000 --it pythonapp ee56aea18773
$ docker rm nodeapp
$ docker rmi pythonappimage
$ docker run -p 8000:3000 --it pythonapp --rm ee56aea18773