Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/credentials/stscreds github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/s3 github.com/aws/aws-sdk-go/service/s3/s3manager github.com/pkg/errors github.com/sirupsen/logrus Standard library imports bufio bytes fmt os path/filepath regexp strconv strings time