firestore.indexes.json

{
  "indexes": [
    {
      "collectionGroup": "products",
      "queryScope": "COLLECTION",
      "fields": [
        {
          "fieldPath": "updated_at",
          "order": "DESCENDING"
        },
        {
          "fieldPath": "gender",
          "order": "ASCENDING"
        },
        {
          "fieldPath": "category",
          "order": "ASCENDING"
        }
      ]
    },
    {
      "collectionGroup": "products",
      "queryScope": "COLLECTION",
      "fields": [
        {
          "fieldPath": "gender",
          "order": "ASCENDING"
        },
        {
          "fieldPath": "updated_at",
          "order": "DESCENDING"
        }
      ]
    },
    {
      "collectionGroup": "products",
      "queryScope": "COLLECTION",
      "fields": [
        {
          "fieldPath": "category",
          "order": "ASCENDING"
        },
        {
          "fieldPath": "updated_at",
          "order": "DESCENDING"
        }
      ]
    }
  ],
  "fieldOverrides": []
}