Imports github.com/troubling/hummingbird/common/conf github.com/troubling/hummingbird/common/ring go.uber.org/zap go.uber.org/zap/zapcore github.com/troubling/hummingbird/common golang.org/x/net/http2 Standard library imports os/signal bufio context crypto/tls flag fmt io io/ioutil net net/http os path/filepath runtime strconv strings sync syscall time unicode/utf8