You can use GitHub CodeSpaces to develop your Jekyll site. But you need to install Node.js and npm to use e.g. TailwindCSS. So, if you haven’t already, create a file called devcontainer/devcontainer.json in your repository, with the following content: { "name": "Jekyll", "image": "mcr.microsoft.com/devcontainers/jekyll:0-bullseye", "features": { "ghcr.io/devcontainers/features/node:1": { "version": "latest" } }} This will start from the image “mcr.microsoft.com/devcontainers/jekyl...