firebase.json

{
    "hosting": [
        {
          "target": "prod",
          "public": "dist",
          "ignore": [
            "firebase.json",
            "**/.*",
            "**/node_modules/**"
          ],
          "rewrites": [ {
            "source": "**",
            "destination": "/index.html"
          } ]

        },
        {
          "target": "dev",
          "public": "dist",
          "ignore": [
            "firebase.json",
            "**/.*",
            "**/node_modules/**"
          ],
          "rewrites": [ {
            "source": "**",
            "destination": "/index.html"
          }]
        },
        {
          "target": "uat",
          "public": "dist",
          "ignore": [
            "firebase.json",
            "**/.*",
            "**/node_modules/**"
          ],
          "rewrites": [ {
            "source": "**",
            "destination": "/index.html"
          }]
        }
    ]
  }