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lcbp3/specs/100-Infrastructures/103-node-upgrade/research.md
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260505:1218 chore(node): upgrade to v24.15.0 LTS
- Update Docker base images: node:22-alpine → node:24-alpine
- Add engines.node >=24.0.0 to package.json files
- Create .nvmrc files with 24.15.0
- Update CI workflow to use node-version: 24.15.0
- Fix jest-e2e.json for uuid@13 ES Module compatibility

Validation:
- Backend unit tests: 340/340 passed
- Frontend unit tests: 137/137 passed
- Frontend build: successful (39 static pages)
2026-05-05 12:18:05 +07:00

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# Research: Node.js v24.15.0 Upgrade
## Research Topics Completed
### RT-001: Node.js v24 Breaking Changes
**Decision**: Use Node.js v24.15.0 LTS
**Rationale**:
- v24.15.0 is the current LTS (Long Term Support) version
- Extended support through April 2027
- Security patches and performance improvements over v22.x
**Breaking Changes Assessment**:
| Change | Impact on NAP-DMS | Action Required |
|--------|-------------------|-----------------|
| Permission Model experimental changes | None | ไม่ใช้ permission model |
| `Buffer()` constructor deprecation | Low | Check legacy code; migrate to `Buffer.from()` |
| Crypto algorithm deprecations | Low | Verify hash usage in auth modules |
| `url.parse()` deprecation | None | ใช้ `new URL()` อยู่แล้ว |
| Test runner changes | None | Jest ไม่ใช้ Node.js native test runner |
**Alternatives Considered**:
- v23.x (not LTS, not suitable for production)
- Stay on v22.x (End-of-Life April 2026, security risk)
---
### RT-002: Native Module Compatibility
**Decision**: Current native dependencies are compatible with Node.js v24
**Rationale**: N-API v8+ provides stability across Node.js versions
**Compatibility Matrix**:
| Package | Current Version | Node v24 Support | N-API Level |
|---------|-----------------|------------------|-------------|
| bcrypt | ^5.1.1 | ✅ Supported | N-API v8 |
| sharp | ^0.33.x | ✅ Supported | N-API v8 |
| sqlite3 | ^5.1.6 | ✅ Supported | node-gyp |
| argon2 | ^0.40.0 | ✅ Supported | N-API |
| @nestjs/platform-socket.io | ^10.x | ✅ Supported | Pure JS |
| class-validator | ^0.14.x | ✅ Supported | Pure JS |
**Validation Plan**:
1. Run `pnpm rebuild` in staging environment
2. Verify all native modules load without errors
3. Run integration tests involving native modules
**Alternatives Considered**:
- Use pure-JS alternatives (slower performance)
- Pin to older native module versions (security risk)
---
### RT-003: pnpm Compatibility
**Decision**: pnpm 9.x fully supports Node.js v24
**Rationale**: pnpm maintains compatibility across Node.js LTS versions (18, 20, 22, 24)
**Findings**:
- pnpm 9.0.0+ officially supports Node.js 18-24
- No known issues with pnpm on Node.js v24
- Lockfile format v9 is compatible
**Alternatives Considered**:
- Switch to npm (unnecessary disruption, slower)
- Switch to yarn (no significant benefit)
---
### RT-004: Docker Image Availability
**Decision**: Use `node:24.15.0-alpine3.21`
**Rationale**:
- Alpine-based images are ~190MB compressed (vs ~1GB for full image)
- Alpine 3.21 is the latest stable
- Includes `libc6-compat` for native module compatibility
**Image Options Compared**:
| Image | Size | Pros | Cons |
|-------|------|------|------|
| `node:24.15.0-alpine3.21` | ~190MB | Small, secure | Need libc6-compat for some native modules |
| `node:24.15.0-slim` | ~250MB | Debian-based, more compatible | Larger |
| `node:24.15.0` | ~1GB | Full compatibility | Very large, unnecessary |
**Dockerfile Updates Required**:
```dockerfile
# Before
FROM node:22.20.0-alpine3.20
# After
FROM node:24.15.0-alpine3.21
```
---
## Additional Findings
### NestJS Compatibility
- NestJS 10.x fully supports Node.js v24
- No breaking changes in NestJS core
- @nestjs/swagger, @nestjs/typeorm work correctly
### Next.js Compatibility
- Next.js 14.x supports Node.js v24
- Next.js 15.x optimized for Node.js v24+ (future upgrade opportunity)
- Build performance may improve on v24
### Performance Expectations
Node.js v24 improvements vs v22:
- ~5-10% faster HTTP throughput
- Improved memory management
- Faster startup time for ES modules
Target: Stay within 5% of baseline (may actually improve)
---
## Research Conclusion
**All research topics resolved - upgrade is safe to proceed**
No blockers identified. All major dependencies are compatible with Node.js v24.15.0.
Key files to update:
1. `backend/Dockerfile` - base image
2. `frontend/Dockerfile` - base image
3. `backend/package.json` - engines.node
4. `frontend/package.json` - engines.node
5. `backend/.nvmrc` - version pin
6. `frontend/.nvmrc` - version pin
7. `.gitea/workflows/ci-deploy.yml` - CI node version