Imports github.com/AgoraIO-Community/go-tokenbuilder/chatTokenBuilder github.com/AgoraIO-Community/go-tokenbuilder/rtctokenbuilder github.com/AgoraIO-Community/go-tokenbuilder/rtmtokenbuilder github.com/joho/godotenv github.com/netless-io/netless-token/golang Standard library imports context encoding/json fmt log net/http os os/signal strconv time