{
  "$schema": "node_modules/wrangler/config-schema.json",
  "name": "my-durable-objects-worker",
  "main": "src/index.ts",
  "compatibility_date": "2025-10-22",
  "compatibility_flags": ["nodejs_compat"],

  // Durable Objects Configuration
  "durable_objects": {
    "bindings": [
      {
        // Simple counter example
        "name": "COUNTER",
        "class_name": "Counter"
      },
      {
        // WebSocket chat room example
        "name": "CHAT_ROOM",
        "class_name": "ChatRoom"
      },
      {
        // Rate limiter example
        "name": "RATE_LIMITER",
        "class_name": "RateLimiter"
      },
      {
        // Session management example
        "name": "USER_SESSION",
        "class_name": "UserSession"
      }
    ]
  },

  // Migrations (REQUIRED for all DO changes)
  "migrations": [
    {
      // Initial migration: Create new DO classes
      "tag": "v1",
      "new_sqlite_classes": [
        "Counter",
        "ChatRoom",
        "RateLimiter",
        "UserSession"
      ]
    }
    // Example: Rename a DO class
    // {
    //   "tag": "v2",
    //   "renamed_classes": [
    //     {
    //       "from": "Counter",
    //       "to": "CounterV2"
    //     }
    //   ]
    // }

    // Example: Delete a DO class
    // {
    //   "tag": "v3",
    //   "deleted_classes": ["OldClass"]
    // }

    // Example: Transfer a DO class from another Worker
    // {
    //   "tag": "v4",
    //   "transferred_classes": [
    //     {
    //       "from": "OriginalClass",
    //       "from_script": "original-worker-name",
    //       "to": "TransferredClass"
    //     }
    //   ]
    // }
  ],

  // Optional: Integrations with other Cloudflare services
  "d1_databases": [
    {
      "binding": "DB",
      "database_name": "my-database",
      "database_id": "your-database-id"
    }
  ],

  "kv_namespaces": [
    {
      "binding": "KV",
      "id": "your-kv-namespace-id"
    }
  ],

  "r2_buckets": [
    {
      "binding": "BUCKET",
      "bucket_name": "my-bucket"
    }
  ]
}