docker image ls
docker pull hello-world
docker image ls
docker image rm hello-world
docker ps
docker run hello-world
docker ps
docker run hello-world
docker ps -all
docker run --rm hello-world
docker run -it ubuntu bash

docker run -d -p:8080:80 --name=my-nginx nginx
docker ps -a
curl http://localhost:8080
docker kill my-nginx
docker rm my-nginx