# Vercel Migration Deep Dive

> Execute Vercel major re-architecture and migration strategies with strangler fig pattern. Use when migrating to or from Vercel, performing major version upgrades, or re-platforming existing integrations to Vercel. Trigger with phrases like "migrate vercel", "vercel migration", "switch to vercel", "vercel replatform", "vercel upgrade major".

- Skill: `tools-only/vercel-migration-deep-dive` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds add tools-only/vercel-migration-deep-dive`
- Raw SKILL.md: https://api.skillmd.com/api/skills/tools-only/vercel-migration-deep-dive/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- License: MIT
- Author: tools-only (https://skillmd.com/u/tools-only)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/tools-only/vercel-migration-deep-dive

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# Vercel Migration Deep Dive

## Prerequisites
- Current system documentation
- Vercel SDK installed
- Feature flag infrastructure
- Rollback strategy tested

## Instructions

### Step 1: Assess Current State
Document existing implementation and data inventory.

### Step 2: Build Adapter Layer
Create abstraction layer for gradual migration.

### Step 3: Migrate Data
Run batch data migration with error handling.

### Step 4: Shift Traffic
Gradually route traffic to new Vercel integration.

## Output
- Migration assessment complete
- Adapter layer implemented
- Data migrated successfully
- Traffic fully shifted to Vercel

## Error Handling

See `{baseDir}/references/errors.md` for comprehensive error handling.

## Examples

See `{baseDir}/references/examples.md` for detailed examples.

## Resources
- [Strangler Fig Pattern](https://martinfowler.com/bliki/StranglerFigApplication.html)
- [Vercel Migration Guide](https://vercel.com/docs/migration)