dir2aws File "credentials.json" example: { "userName":"AwsUserName", "userGroup":"AwsUserGroup", "region":"us-west-2", "accessKeyId":"$ABCDEFGHIJKLMNOPQRST", "secretAccessKey":"AbCdEfGhIjKlMnOpQrStUvWxYz1234567890aBcD", "bucket":"bucketName" }