Change token flag to environment variable

main.go

@@ -14,10 +14,13 @@ import (
 )
 
 // Set global variables / boot information
-const version = "3.0.0"
+const (
+ version = "3.0.1"
+ buildDate = "2021-05-03"
+)
 var (
  s *discordgo.Session
- token = flag.String("t", "", "Bot token")
+ token = os.Getenv("TOKEN_TWEETER")
  register = flag.Bool("r", false, "Register (or re-register) bot commands on startup")
  unregister = flag.Bool("u", false, "Unregister bot commands on shutdown")
 )
@@ -72,7 +75,7 @@ func main() {
 
  // Create bot client session
  log.Println("[Info] Logging in")
- s, err = discordgo.New("Bot " + *token)
+ s, err = discordgo.New("Bot " + token)
  if err != nil {
  log.Fatalf("[Fatal] Error creating session: %v", err)
  }
@@ -184,7 +187,7 @@ func about(s *discordgo.Session, i *discordgo.InteractionCreate) {
 
  Fields: []*discordgo.MessageEmbedField{
  {Name: "Version", Value: version, Inline: true},
- {Name: "Build date", Value: "2021-05-02", Inline: true},
+ {Name: "Build date", Value: buildDate,  Inline: true},
  {Name: "Github", Value: "https://github.com/cyckl/tweeter", Inline: false},
  },
  },