Update app.py

app.py

@@ -11,7 +11,7 @@ import datetime
 # Set global variables
 SENDGRID_API_KEY = os.getenv('SENDGRID_API_KEY')
 HOST_EMAIL = os.getenv('HOST_EMAIL')
-DISCORD_LINK = "https://discord.gg/zjZTPdGJ"
+DISCORD_LINK = os.getenv('DISCORD_LINK')
 
 # Add a set to track submitted emails
 submitted_emails = set()