vercel.json

{
  "version": 2,
  "builds": [
    {
      "src": "package.json",
      "use": "@vercel/static-build",
      "config": { "distDir": "." }
    }
  ],
  "routes": [
    {
      "src": "/dist/sw.js",
      "headers": { "cache-control": "no-cache" },
      "dest": "/dist/sw.js"
    },
    {
      "src": "/(.*)\\.js$",
      "headers": {
        "Content-Type": "application/javascript",
        "Cache-Control": "public, max-age=31536000, immutable"
      }
    },
    {
      "src": "/(.*)\\.html$",
      "headers": {
        "Content-Type": "text/html; charset=utf-8",
        "Cache-Control": "public, max-age=31536000, immutable"
      }
    },
    {
      "src": "/(.*)\\.css$",
      "headers": {
        "Content-Type": "text/css",
        "Cache-Control": "public, max-age=31536000, immutable"
      }
    },
    { "handle": "filesystem" },
    { "src": "/(.*)", "dest": "/index.html" }
  ]
}