curl --location --request POST 'https://barrack.ai/api/instances//attach-volumes/' \
--header 'Content-Type: application/json' \
--data-raw '{
"volume_ids": [
"string"
]
}'{
"success": true,
"message": "Volumes attached successfully",
"volume_ids": [
"BRK-123456V",
"BRK-789012V"
],
"vm_id": "BRK-123456D",
"tier": "advanced",
"region": "FINLAND-1",
"status": "completed"
}