blob life cycle policy

blob life cycle policy.json

{
    "rules": [
            "enabled": true,
            "name": "yearly backup rule",
            "type": "Lifecycle",
            "definition": {
                "actions": {
                    "baseBlob": {
                        "tierToCool": {
                            "daysAfterModificationGreaterThan": 30
                        },
                        "tierToArchive": {
                            "daysAfterModificationGreaterThan": 60
                        },
                        "delete": {
                            "daysAfterModificationGreaterThan": 370
                        }
                    }
                },
                "filters": {
                    "blobTypes": [
                        "blockBlob"
                    ],
                    "prefixMatch": [
                        "backups/annual"
                    ]
                }
            }
        }
    ]
}