dockerfile.run – get_root

get_root_domain

module for parsing a domain to determine the public suffix

Debian

RUN apt-get update && \
    apt-get install -y libdomain-publicsuffix-perl

Ubuntu

RUN apt-get update && \
    apt-get install -y libdomain-publicsuffix-perl

Kali Linux

RUN apt-get update && \
    apt-get install -y libdomain-publicsuffix-perl

Raspbian

RUN apt-get update && \
    apt-get install -y libdomain-publicsuffix-perl

click the source code to copy install get_root_domain on any operating system with command-not-found.com