Cannot connect with http site created in container

Hi all.

I’ve pulled a Docker image. That image creates a SQL DB and creates a hhtp site.

It seems all ok:

Container IP Address:
Container Hostname : 377f1a11f129
Container Dns Name : 377f1a11f129
Web Client : http://377f1a11f129/NAV/

But after that I can’t make ping to that IP(, and if I try to connect with the http site I receive a message “The IP address of the 377f1a11f129 server could not be found”.

What must I check?

Thanks a lot.