Imports github.com/mholt/caddy/caddy/setup github.com/mholt/caddy/server github.com/mholt/caddy/middleware/redirect github.com/xenolf/lego/acme github.com/mholt/caddy/caddy/assets github.com/mholt/caddy/middleware Standard library imports bufio crypto/rand crypto/tls crypto/x509 encoding/json errors fmt io io/ioutil log net net/http net/http/httputil net/url os path/filepath strings time crypto/rsa encoding/pem