• $ curl -L https://cpanmin.us | perl - App::cpanminus
• $ cpanm Carton
• $ cd scripts
• $ carton install

• build HTMLs by carton exec perl compile.pl
• re-build all HTML by carton exec perl compile.pl -f
• build specified url by carton exec perl compile.pl -p why-us

After HTML build, you can run sudo grunt connect then visits [https://localhost/en/home.html] for test

• carton exec perl compile.pl -d