Add the exit interrupt and the exit message.

notification_server/cli.py

@@ -18,6 +18,9 @@
 ###############################################################################
 
 import asyncio
+import sys
+from rich.console import Console
+
 import typer
 from notification_server.server import Server
 
@@ -44,5 +47,10 @@ def up(
     This command [b]start[/] the [yellow b]server[/] which receives notifications and sends to the clients.
     """
 
-    server = Server(ip, port, producer_port)
+    try:
-    asyncio.run(server.up())
+        server = Server(ip, port, producer_port)
+        asyncio.run(server.up())
+    except KeyboardInterrupt:
+        console = Console()
+        console.print('[green b][INFO][/] bye[/]')
+        sys.exit(0)