heroku sustaining engineering explained

Best Heroku Alternatives in 2026: Render, Railway, Fly.io and Open Source PaaS Compared

Salesforce moved Heroku to sustaining engineering in February 2026. Six alternatives compared with verified August 2026 pricing: Render, Railway, Fly.io, DigitalOcean App Platform, Coolify and Dokku, plus a runnable cost script.

DevToolLab Team·August 29, 2026