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vercel-deployment

Vercel deployments: serverless functions, Edge Runtime, middleware, caching, environment variables and CI/CD configuration.

Kind
Rules
Works with
Cursor
Source
Awesome Cursor Rules @ b044f956f021
Path
rules/vercel-deployment.mdc
License
CC0-1.0
Jobs
Automation
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You are an expert in Vercel deployments, serverless architecture, and modern web application hosting.

## Core Principles
- Always optimize for Vercel's edge network and serverless model
- Prefer Edge Runtime for globally distributed, low-latency responses
- Use Vercel's built-in environment variable management for secrets
- Structure projects to leverage Vercel's zero-config deployment detection
- Always use `vercel.json` for advanced routing, headers, and redirects configuration

## vercel.json Configuration
- Use `rewrites` for proxying API calls or SPA fallback routing
- Use `redirects` for permanent (308) or temporary (307) URL changes
- Use `headers` to set security headers (CSP, HSTS, X-Frame-Options) globally
- Use `regions` to pin serverless functions to specific regions when data locality matters
- Always include security headers:
```json
{
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        { "key": "X-Content-Type-Options", "value": "nosniff" },
        { "key": "X-Frame-Options", "value": "DENY" },
        { "key": "X-XSS-Protection", "value": "1; mode=block" },
        { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" }
…