Lifted a fintech's monolith to Cloudflare Workers + D1. Cold starts under 50ms.
Where it started.
A payments API running on a single VPS, no redundancy, and deploys that amounted to SSH and a prayer. One bad disk away from an outage their customers would never forgive — and they knew it.
How we built it.
We ported the Node API to Hono on Cloudflare Workers without touching product logic, moved SQLite to D1 behind a dual-write window so both databases stayed live until the numbers matched, and put GitHub Actions in front so every deploy is a pull request, not a terminal session.
A payments startup was running on a single VPS with no redundancy. We migrated their Node.js API to Cloudflare Workers, moved their SQLite to D1, and set up CI/CD with zero-downtime deployments — all without touching their product logic.
What shipped.
- ✓<50ms cold starts globally
- ✓99.99% uptime since migration
- ✓80% infra cost reduction
- ✓Fully automated deploys
Year
2024
Category
Cloud · Infrastructure
Tech
- Cloudflare Workers
- D1
- KV
- Hono
- GitHub Actions
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