Hosting Ruby on Rails on Fly.io
Pricing data as of 2026-06-09 · refreshed weekly
EdgeSSLDIY: cdn, image opt, previews, auto-deploy
Fly.io is a paas platform. Ruby on Rails needs roughly 1536MB RAM for a production server process, so the cheapest plan that actually fits depends on your traffic. Below is the cheapest Fly.io plan that fits each traffic level, computed from current list prices.
Cheapest fitting plan by traffic
| Traffic | Plan | $/month | Notes |
|---|---|---|---|
| Hobby / side project (~5,000/mo) | shared-cpu-1x 2GB | $11.27 | Egress $0.02/GB included in our totals; no free allowance for new orgs |
| Startup / small business (~50,000/mo) | shared-cpu-1x 2GB | $12.59 | Egress $0.02/GB included in our totals; no free allowance for new orgs |
| E-commerce (~200,000/mo) | shared-cpu-1x 2GB | $26.75 | Egress $0.02/GB included in our totals; no free allowance for new orgs |
| High traffic (~1,000,000/mo) | shared-cpu-1x 2GB | $40.41 | Egress $0.02/GB included in our totals; no free allowance for new orgs |