Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/client github.com/aws/aws-sdk-go/aws/credentials 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 Standard library imports bufio context flag fmt io net/http os path path/filepath runtime/debug strconv strings sync time