$ brew install hugo
Reference: https://gohugo.io/getting-started/installing/
$ git clone https://github.com/takoikatakotako/swiswiswift.com/
$ cd swiswiswift.com
$ git checkout develop # if needed
$ git submodule update --init --recursive
$ cd swiswiswift.com
$ hugo
$ cd public
$ php -S localhost:8000
$ cd swiswiswift.com
$ hugo server -D