I watched https://gorails.com/episodes/markdown-emoji-with-html-pipeline-gem and I'm wondering 2 things :
I can't remember where I grabbed that from exactly, but some documentation somewhere. If you want to host your own, check out https://github.com/HenrikJoreteg/emoji-images and you can serve up the pngs folder in your app. Of course, you'll want to put those in your public directory and not the asset pipeline so they stay the same filenames and don't get compiled.
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