Show HN: Rails-preflight, a static check of what blocks your next Rails upgrade

Category: devtools

Tags: rails, static-analysis, upgrade, reporting, ruby

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 9, Utility: 6)

RailsPreFlight is a static analysis tool that scans legacy Rails applications to produce a human-readable upgrade risk report, identifying blockers, deprecated APIs, and dependency risks before an upgrade. It distinguishes itself by focusing on planning and scoping rather than automated migration, offering detailed HTML/Markdown reports for teams.

Target audience: backend devs, devops, engineering managers

Repository: https://github.com/aslam/rails-preflight · Ruby · MIT · 15 stars

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