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Migrating our backend from Vercel to Fly.io
Why we migrated OpenStatus' backend from Vercel to Fly.io using Hono and Bun — the challenges, performance gains, and lessons from the migration.
Open source status page, incident response and global uptime monitoring. When something breaks, your subscribers hear it first and your auditor gets the trail.
Visit openstatus.dev → On Hacker News Oct 2023 – Feb 2024
Why we migrated OpenStatus' backend from Vercel to Fly.io using Hono and Bun — the challenges, performance gains, and lessons from the migration.
We benchmarked latency across 5 cloud providers from 6 global locations over 2 weeks. Cloudflare Workers averaged 182ms, Fly.io 61ms (warm), Railway 381ms, Koyeb 539ms, and Render 451ms. Full timing breakdowns included.