brew install flyctl && fly launch --from https://github.com/tshenry/discourse-category-previews
curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/tshenry/discourse-category-previews
iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/tshenry/discourse-category-previews