firebase.json

{
  "hosting": {
    "public": "www",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "rewrites": [
      {
        "source": "**",
        "destination": "/index.html"
      }
    ],
    "headers": [
      {
        "source": "service-worker.js",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "no-cache"
          }
        ]
      },
      {
        "source": "service-worker.js.gz",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "no-cache"
          }
        ]
      },
      {
        "source": "./",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "no-cache"
          }
        ]
      },
      {
        "source": "**/*.html",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "private,max-age=60"
          }
        ]
      },
      {
        "source": "assets/fonts/*.*",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "public,max-age=86400"
          }
        ]
      },
      {
        "source": "**/*.@(jpg|jpeg|webp|gif|png|jpg.gz|jpeg.gz|webp.gz|gif.gz|png.gz)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "public,max-age=86400"
          }
        ]
      },
      {
        "source": "**/*.@(css|json|js|css.gz|json.gz|js.gz)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "public,max-age=31536000"
          }
        ]
      }
    ]
  }
}