I want to convert the below content from JSON to CSV with the keys as headers thru jq. Please help.
{
  "BackupJobs": [
    {
      "AccountId": "12345678",
      "BackupJobId": "asd8f6wehrnvas-cker2-dfne",
      "BackupVaultName": "aws/efs/automatic-backup-vault",
      "BackupVaultArn": "arn:aws:backup:ha-middleeast-1:12345678:backup-vault:aws/efs/automatic-backup-vault",
      "RecoveryPointArn": "arn:aws:backup:ha-middleeast-1:12345678:recovery-point:asd8f6wehrnvas-cker2-dfne",
      "ResourceArn": "arn:aws:elasticfilesystem:ha-middleeast-1:12345678:file-system/fs-47jsg3y47",
      "CreationDate": "2023-12-31T10:30:00+05:30",
      "CompletionDate": "2023-01-09T11:56:40.074000+05:30",
      "State": "COMPLETED",
      "PercentDone": "100.0",
      "BackupSizeInBytes": 0,
      "IamRoleArn": "arn:aws:iam::12345678:role/aws-service-role/backup.amazonaws.com/backuprole",
      "CreatedBy": {
        "BackupPlanId": "aws/efs/asd8f6wehrnvas-cker2-dfne",
        "BackupPlanArn": "arn:aws:backup:ha-middleeast-1:12345678:backup-plan:aws/efs/asd8f6wehrnvas-cker2-dfne",
        "BackupPlanVersion": "asd8f6wehrnvas-cker2-dfne",
        "BackupRuleId": "asd8f6wehrnvas-cker2-dfne"
      },
      "StartBy": "2023-01-09T18:30:00+05:30",
      "ResourceType": "EFS",
      "IsParent": false
    },
    {
      "AccountId": "12345678",
      "BackupJobId": "asd8f6wehrnvas-cker2-dfne",
      "BackupVaultName": "aws/efs/automatic-backup-vault",
      "BackupVaultArn": "arn:aws:backup:ha-middleeast-1:12345678:backup-vault:aws/efs/automatic-backup-vault",
      "RecoveryPointArn": "arn:aws:backup:ha-middleeast-1:12345678:recovery-point:asd8f6wehrnvas-cker2-dfne",
      "ResourceArn": "arn:aws:elasticfilesystem:ha-middleeast-1:12345678:file-system/fs-47jsg3y47",
      "CreationDate": "2023-12-31T10:30:00+05:30",
      "CompletionDate": "2023-01-09T11:56:40.074000+05:30",
      "State": "COMPLETED",
      "PercentDone": "100.0",
      "BackupSizeInBytes": 0,
      "IamRoleArn": "arn:aws:iam::12345678:role/aws-service-role/backup.amazonaws.com/backuprole",
      "CreatedBy": {
        "BackupPlanId": "aws/efs/asd8f6wehrnvas-cker2-dfne",
        "BackupPlanArn": "arn:aws:backup:ha-middleeast-1:12345678:backup-plan:aws/efs/asd8f6wehrnvas-cker2-dfne",
        "BackupPlanVersion": "asd8f6wehrnvas-cker2-dfne",
        "BackupRuleId": "asd8f6wehrnvas-cker2-dfne"
      },
      "StartBy": "2023-01-09T18:30:00+05:30",
      "ResourceType": "EFS",
      "IsParent": false
    }
  ]
}
The below command works to convert JSON to CSV of the values. Cant figure out to put the keys as headers.
aws backup list-backup-jobs --output json |
jq -r '.BackupJobs | map([.AccountId,.BackupJobId,.BackupVaultName,.RecoveryPointArn,.ResourceArn,.CreationDate,.CompletionDate,.State,.PercentDone,.BackupSizeInBytes,.ResourceType] 
                   | join(", ")) 
                   | join("\n")'
Keys are AccountId, BackupJobId, BackupVaultName......
 
    