Original post: Deploying an Astro blog to Netlify Series: Part of How this blog was built — documenting every decision that shaped this site. This blog runs entirely on Netlify's free tier. Static HTML goes out over the CDN, serverless functions handle comments and the mailing list, and an edge function gates deploy previews — all without any infrastructure to manage. This post covers the configuration details: what goes in netlify.toml , how functions are set up, which environment variables are required, and how the deploy preview workflow integrates with the draft post system. Diagram fallback for Dev.to.…