vercel.json

{
  "framework": "nextjs",
  "buildCommand": "next build",
  "outputDirectory": ".next",
  "headers": [
    {
      "source": "/api/(.*)",
      "headers": [
        { "key": "Access-Control-Allow-Origin", "value": "*" },
        { "key": "Access-Control-Allow-Methods", "value": "GET, OPTIONS" },
        { "key": "Access-Control-Allow-Headers", "value": "Content-Type, X-Affiliate-ID" },
        { "key": "Cache-Control", "value": "public, s-maxage=60, stale-while-revalidate=30" }
      ]
    },
    {
      "source": "/docs/(.*)",
      "headers": [
        { "key": "Cache-Control", "value": "public, s-maxage=3600, stale-while-revalidate=300" }
      ]
    }
  ],
  "rewrites": [
    { "source": "/v1/catalog", "destination": "/api/v1/catalog" },
    { "source": "/v1/stats", "destination": "/api/v1/stats" }
  ]
}