firebase.json

{
  "hosting": [
    {
      "target": "static-marketing-dev",
      "public": "out",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "trailingSlash": false,
      "cleanUrls": true,
      "headers": [
        {
          "source": "**",
          "headers": [
            {
              "key": "Cache-Control",
              "value": "public, max-age=61, s-maxage=300, stale-while-revalidate=60"
            }
          ]
        }
      ]
    },
    {
      "target": "static-marketing-prod",
      "public": "out",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "trailingSlash": false,
      "cleanUrls": true,
      "headers": [
        {
          "source": "**",
          "headers": [
            {
              "key": "Cache-Control",
              "value": "public, max-age=61, s-maxage=300, stale-while-revalidate=60"
            }
          ]
        }
      ]
    }
  ]
}