firebase.json

{
  "hosting": [
    {
      "site": "shared-storage-demo",
      "public": "sites/home",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "function": "home"
        }
      ]
    },
    {
      "site": "shared-storage-demo-publisher-a",
      "public": "sites/publisher-a",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "function": "publisherA"
        }
      ]
    },
    {
      "site": "shared-storage-demo-publisher-b",
      "public": "sites/publisher-b",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "function": "publisherB"
        }
      ]
    },
    {
      "site": "shared-storage-demo-content-producer",
      "public": "sites/content-producer",
      "ignore": ["firebase.json", "**/.*", "**/node_modules/**"],
      "rewrites": [
        {
          "source": "**",
          "function": "contentProducer"
        },
        {
          "source": "/.well-known/**",
          "function": "contentProducer"
        }
      ],
      "headers": [
        {
          "source": "**",
          "headers": [
            {
              "key": "Supports-Loading-Mode",
              "value": "fenced-frame"
            }
          ]
        }
      ]
    }
  ],
  "emulators": {
    "functions": {
      "port": "5080"
    },
    "hosting": {
      "host": "localhost",
      "port": "3000"
    },
    "ui": {
      "enabled": true
    }
  },
  "functions": {
    "source": "functions"
  }
}