firebase.json

{
  "functions": {
    "predeploy": "yarn clean && yarn build:app && yarn build:functions && yarn copy:deps && yarn copy:pages",
    "source": "dist/functions"
  },
  "hosting": {
    "predeploy": "yarn copy:next && yarn copy:static",
    "public": "dist/public",
    "rewrites": [
      {
        "source": "/",
        "function": "index"
      }
    ],
    "headers": [
      {
        "source": "**/*.@(jpg|jpeg|gif|png|svg|css|js|woff2|webp)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "max-age=31536000"
          }
        ]
      }
    ],
    "cleanUrls": true,

    "trailingSlash": false
  }
}