firebase.json

{
  "hosting": {
    "public": "public",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "rewrites": [
      {
        "source": "/",
        "destination": "/index.html"
      },
      {
        "source": "/location/**",
        "destination": "/index.html"
      },
      {
        "source": "/design-guide",
        "destination": "/index.html"
      }
    ],
    "headers": [
      {
        "source": "**/*.@(jpg|jpeg|gif|png|svg)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "max-age=31536000"
          }
        ]
      },
      {
        "source": "**/*.@(woff|woff2|tff)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "max-age=31536000"
          }
        ]
      },
      {
        "source" : "**/*.js",
        "headers" : [
          {
            "key" : "Access-Control-Allow-Origin",
            "value" : "*"
          },
          {
            "key": "Cache-Control",
            "value": "private, max-age=31536000"
          }
        ]
      },
      {
        "source": "404.html",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "max-age=300"
          }
        ]
      },
      {
        "source": "service-worker.js",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "no-cache, no-store, must-revalidate"
          }
        ]
      }
    ]
  }
}