feat: add signal cmd

cmd/root.go

@@ -1,6 +1,12 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+	"os"
+	"os/signal"
+	"syscall"
+)
 
 var (
 	rootCmd = &cobra.Command{
@@ -17,4 +23,13 @@ func Execute() error {
 
 func init() {
 	rootCmd.AddCommand(upCmd)
+	rootCmd.AddCommand(signalCmd)
+}
+
+func SetupCloseHandler() {
+	c := make(chan os.Signal)
+	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
+	<-c
+	fmt.Println("\r- Ctrl+C pressed in Terminal")
+	os.Exit(0)
 }