Heroku buildpack adding missing fonts for jontewks/puppeteer-heroku-buildpack
It aims to support Chinese, Korean, and Japanese characters. gnuletik/puppeteer-heroku-buildpack-fonts This buildpack also add Korean font, 'Pretendard' If you are facing missing character sets, feel free to open a PR.
# clear cache and current buildpacks
heroku builds:cache:purge
heroku buildpacks:clear
# puppeteer
heroku buildpacks:add -i 1 jontewks/puppeteer
# fonts
heroku buildpacks:add -i 2 https://github.com/crescent-stdio/puppeteer-heroku-buildpack-fonts
# other buildpack
heroku buildpacks:add -i 3 heroku/nodejs