firebase.json

{
  "hosting": [
    {
      "target": "dapp.tgrade.finance",
      "public": "build",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "destination": "/index.html"
        }
      ],
      "headers": [
        {
          "source": "**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=300" }]
        },
        {
          "source": "static/**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=31536000" }]
        }
      ]
    },
    {
      "target": "staging.tgrade.finance",
      "public": "build",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "destination": "/index.html"
        }
      ],
      "headers": [
        {
          "source": "**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=60" }]
        },
        {
          "source": "static/**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=31536000" }]
        }
      ]
    },
    {
      "target": "dev.tgrade.finance",
      "public": "build",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "destination": "/index.html"
        }
      ],
      "headers": [
        {
          "source": "**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=60" }]
        },
        {
          "source": "static/**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=31536000" }]
        }
      ]
    },
    {
      "target": "demo.tgrade.finance",
      "public": "build",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "destination": "/index.html"
        }
      ],
      "headers": [
        {
          "source": "**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=300" }]
        },
        {
          "source": "static/**",
          "headers": [{ "key": "Cache-Control", "value": "max-age=31536000" }]
        }
      ]
    }
  ]
}