后端服务
fastapi-services-migration
更新于 2026-11-11
FastAPI · 迁移规则
Migration rules for FastAPI: expand/contract phases, idempotent steps and rehearsed rollback.
- 技术栈
- FastAPI
- 主题
- 迁移
- 条目
- 9 条
- 版本
- v0.2.0
✓ 应当这么做
- ✓ Split every breaking change into expand, migrate and contract phases
- ✓ Make the migration idempotent so a re-run is a no-op
- ✓ Rehearse on a production-shaped copy and record the rollback path
✕ 常见反模式
- ✕ Irreversible destructive steps in the same release as code removal
- ✕ Big-bang cutovers with no parallel running period
- ✕ Migrations that depend on manual console steps
◎ 交付前验证
- ◎ Type checker (mypy/pyright) passes with zero new suppressions
- ◎ Tests run in a clean virtual environment
- ◎ No secrets or environment values read at import time
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