firebase.json

{
  "firestore": {
    "rules": "firebase/firestore.rules",
    "indexes": "firebase/firestore.indexes.json"
  },
  "emulators": {
    "auth": {
      "port": 9099
    },
    "firestore": {
      "port": 8080
    },
    "ui": {
      "enabled": true,
      "port": 4000
    },
    "singleProjectMode": true,
    "functions": {
      "port": 5001
    },
    "storage": {
      "port": 9199
    }
  },
  "functions": [
    {
      "source": "functions",
      "codebase": "default",
      "ignore": [
        "node_modules",
        ".git",
        "firebase-debug.log",
        "firebase-debug.*.log",
        "*.test.ts"
      ],
      "predeploy": [
        "npm --prefix \"$RESOURCE_DIR\" run lint",
        "npm --prefix \"$RESOURCE_DIR\" run build"
      ]
    }
  ],
  "hosting": {
    "public": "client/build/",
    "ignore": [
      "firebase.json",
      "**/.*",
      "**/node_modules/**"
    ],
    "rewrites": [
      {
        "source": "**",
        "destination": "/index.html"
      }
    ],
    "headers": [
      {
        "source": "/service-worker.js",
        "headers": [
          {
            "key": "Cache-Control",
            "value": "no-cache"
          }
        ]
      }
    ]
  },
  "storage": {
    "rules": "firebase/storage.rules"
  },
  "extensions": {
    "storage-resize-images": "firebase/storage-resize-images@0.2.2"
  }
}