Imports github.com/armon/go-socks5 github.com/artyom/autoflags github.com/artyom/dot golang.org/x/crypto/acme/autocert golang.org/x/net/http2 golang.org/x/sync/errgroup Standard library imports context crypto/sha256 crypto/tls crypto/x509 errors flag fmt io io/ioutil log math/rand net net/http os path/filepath sort strconv strings sync time