How This Site Is Built
TL;DR Astro on S3 + CloudFront with OAC, DNS on Cloudflare (saves $49/year vs Route 53 on a .ai domain), email via SES + Lambda forward — total cost under $5/month with no managed platform dependency. Every post URL returns a 404 out of the box: CloudFront's DefaultRootObject only applies to /, not subdirectories — fix is a 15-line CloudFront Function that appends index.html before S3 sees the request. llms-full.txt auto-generated at build time concatenates every post into one Markdown file...
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