docker logs -f derper Generating a RSA private key .............................+++++ ..+++++ writing new private key to '/app/certs/127.0.0.1.key' ----- 2023/06/30 02:11:01 no config path specified; using /var/lib/derper/derper.key 2023/06/30 02:11:01 derper: serving on :12345 with TLS 2023/06/30 02:11:01 running STUN server on [::]:3478