Tiny Go webserver that prints os information and HTTP request to output
$ docker run -d -P --name iamfoo containous/whoami
$ docker inspect --format '{{ .NetworkSettings.Ports }}' iamfoo
map[80/tcp:[{0.0.0.0 32769}]]
$ curl "http://0.0.0.0:32769"
Hostname : 6e0030e67d6a
IP : 127.0.0.1
IP : ::1
IP : 172.17.0.27
IP : fe80::42:acff:fe11:1b
GET / HTTP/1.1
Host: 0.0.0.0:32769
User-Agent: curl/7.35.0
Accept: */*