BlazorWebAssembly/vercel.json

{
  "buildCommand": "./dotnet/dotnet publish -c Release -o publish",
  "outputDirectory": "publish/wwwroot",
  "cleanUrls": true,
  "trailingSlash": false,
  "routes": [
    {
      "src": "/(.*)",
      "dest": "/index.html"
    }
  ]
}