Imports cloud.google.com/go/storage github.com/as/log github.com/aws/aws-sdk-go/aws 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 google.golang.org/api/iterator Standard library imports bufio context encoding/json errors flag fmt io io/fs io/ioutil net/http net/url os os/signal path path/filepath strconv strings sync sync/atomic syscall time