firebase.json

{
  "hosting": {
    "public": "build",
    "headers": [
      {
        "source": "**/*.@(jpg|jpeg|gif|png|svg|mp4)",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "max-age=86400"
          }
        ]
      }
    ],
    "redirects": [
      {
        "source": "/docs",
        "destination": "/docs/get_started/about-amp.html",
        "type": 301
      },
      {
        "source": "/docs/",
        "destination": "/docs/get_started/about-amp.html",
        "type": 301
      },
      {
        "source": "/docs/index.html",
        "destination": "/docs/get_started/about-amp.html",
        "type": 301
      },
      {
        "source": "/faq",
        "destination": "/docs/support/faqs.html",
        "type": 301
      },
      {
        "source": "/faq/",
        "destination": "/docs/support/faqs.html",
        "type": 301
      },
      {
        "source": "/faq/index.html",
        "destination": "/docs/support/faqs.html",
        "type": 301
      },
      {
        "source": "/docs/get_started/create_page.html",
        "destination": "/docs/get_started/create.html",
        "type": 301
      },
      {
        "source": "/contact",
        "destination": "https://github.com/ampproject/amphtml/issues/new",
        "type": 301
      },
      {
        "source": "/contact/",
        "destination": "https://github.com/ampproject/amphtml/issues/new",
        "type": 301
      }
    ],
    "ignore": [
      ".grow"
    ]
  }
}