Imports github.com/beefsack/go-rate github.com/elwin/x/sync github.com/go-telegram-bot-api/telegram-bot-api/v5 github.com/knq/escpos github.com/labstack/echo/v4 github.com/labstack/echo/v4/middleware github.com/urfave/cli/v2 Standard library imports context crypto/subtle fmt log net/http os os/signal strings sync syscall time