This is a simple web server that prints hostname and IP address.
$ docker built -t image-name:tag .
$ docker image ls
$ docker container run -dit -p 80:80 --name=cusweb-host gaigoleb2/cuswebsrvhostname:v1
$ docker container ls -a
$ curl host-ip-address:80
$ docker container stop cusweb-host $ docker container rm cusweb-host