Gemfile에 kramdown-parser-gfm의존성이 빠져있습니다. 그래서 jekyll serve로 실행하면 에러가 발생합니다.
그래서 Gemfile에 kramdown-parse-gfm의존성을 추가했습니다.
$ bundle install
$ jekyll serve
Dependency Error: Yikes! It looks like you don't have kramdown-parser-gfm or one of its dependencies installed. In order to use Jekyll as currently configured, you'll need to install this gem. The full error message from Ruby is: 'cannot load such file -- kramdown-parser-gfm' If you run into trouble, you can find helpful resources at https://jekyllrb.com/help/!
Conversion error: Jekyll::Converters::Markdown encountered an error while converting '_posts/2017/2017-03-12-telegram-bot.md':
kramdown-parser-gfm
ERROR: YOUR SITE COULD NOT BE BUILT:
------------------------------------
kramdown-parser-gfm
Gemfile에 kramdown-parser-gfm의존성이 빠져있습니다. 그래서
jekyll serve
로 실행하면 에러가 발생합니다. 그래서 Gemfile에 kramdown-parse-gfm의존성을 추가했습니다.See also