Show HN: Free egress public buckets on Railway and others
railway.comHacked together a service in Go https://github.com/xlab/cdn-s3-go that routes content request to any arbitrary S3-compatible bucket.
Some infra providers are offering free egress, but buckets are only private (hello Railway), and not geo-distributed. An L4 balancer will cost a fortune (hello Cloudflare).
cdn-s3-go solves this by looking up objects, generating a pre-signed URLs and redirecting the clients directly. Free egress, cheap public geo-distributed CDN!
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