oam/examples/aws/iam.policies/access folder in bucket.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "AllowAccessToTheBucket",
            "Effect": "Allow",
            "Action": [
                "s3:ListBucket"
            ],
            "Resource": [
                "arn:aws:s3:::backups-bucket"
            ]
        },
        {
            "Sid": "AllowOperationsInTheDesignatedFolder",
            "Effect": "Allow",
            "Action": [
                "s3:*"
            ],
            "Resource": [
                "arn:aws:s3:::backups-bucket/prometheus/*"
            ]
        }
    ]
}