Heroku Legacy
Heroku Legacy refers to applications built on old Heroku infrastructure (Dynos v1, Heroku Postgres, abandoned buildpacks). Mastery takes 3-5 weeks. Practitioners earn 10-15% premium because they manage risk-critical legacy apps. Market is shrinking: Heroku shutting down old free tier (2022), sunsetting Heroku CI (2023). By 2026, Heroku = enterprise maintenance, not new development. ~300 companies still running production legacy Heroku. Skill is defensive: keeping old systems alive until migration.
Heroku Legacyとは
Heroku Legacy refers to applications built on deprecated Heroku services: old Dyno types, Heroku PostgreSQL without modern features, custom buildpacks, and unsupported runtimes. These applications still run but are maintained in "freeze" mode, no new features, just keeping the lights on. Heroku itself is not legacy (Heroku still exists), but the infrastructure and patterns used by old apps are obsolete.
💰 地域別給与
| 地域 | ジュニア | ミドル | シニア |
|---|---|---|---|
| USA | $65k | $95k | $140k |
| UK | $40k | $58k | $85k |
| EU | $45k | $65k | $95k |
| CANADA | $70k | $105k | $155k |
🎯 Heroku Legacyを使う職種
❓ よくある質問
Why would a company still use Heroku in 2026?
What happens to my app when Heroku sunsunsets a feature?
How do I upgrade from legacy Heroku?
Can I use custom buildpacks on Heroku?
How do I scale Heroku Postgres without downtime?
What's the cost of running legacy Heroku?
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