Domain: Coding / Documentation
Difficulty: Difficult
Description:
As the API evolves, endpoints need versioning for backward compatibility:
- Implement API versioning (v1, v2, etc.)
- All routes under /v1/, /v2/, etc.
- Deprecation headers warning of upcoming changes
- Migration guide for clients
- Support multiple versions simultaneously
- Clear deprecation timeline
Implement:
- URL versioning: /v1/actors/search vs /v2/actors/search
- Deprecation headers: Deprecation: true, Sunset: date.
- Changelog documenting breaking changes
- Migration guide in README
Expected Outcome:
- API versioning implemented
- Backward compatibility maintained
- Clear deprecation warnings
- Migration guides for clients
- Multiple API versions supported
- Production-ready versioning strategy
Setup Steps:
- Create versioned route structure:
- src/routers/v1/ - current endpoints
- Copy current routers to v1
- Update src/server.js to mount versioned routes:
`JavaScript app.use('/api/v1', v1Routes); `
- Add deprecation middleware in src/middleware/deprecation.ts.
- Add deprecation headers for endpoints
- Create CHANGELOG.md documenting versions
- Update README with API versioning info
- Plan v2 changes if needed
- Test clients can use both versions
Links/References:
- Update: src/server.js
- Create: src/routers/v1/.
- Create: src/middleware/deprecation.ts
- Create: CHANGELOG.md
- REST API versioning best practices