fix order to make more sense, GracefulShutdown?

src/main.py

@@ -1,12 +1,36 @@
 import os
 import sys
+import signal
 import interactions
 import database
 
 from dotenv import load_dotenv
 from steamid import SteamID
 
+class GracefulDeath:
+    """Catch signals to allow graceful shutdown."""
+
+    def __init__(self):
+        self.receivedSignal=self.receivedSignalTermSignal=False
+        catchSignals = [
+                1,
+                2,
+                3,
+                10,
+                12,
+                15,
+                ]
+        for signum in catchSignals:
+            signal.signal(signum, self.handler)
+
+    def handler(self, signum, frame):
+        self.lastSignal=signum
+        self.receivedSignal=True
+        if signum in [2, 3, 15]:
+            self.receivedSignalTermSignal=True
+
 def main(args):
+    sighandler = GracefulDeath()
     load_dotenv()
     token = os.getenv('DISCORD_TOKEN')
     host = os.getenv('MYSQL_HOST')
@@ -39,16 +63,21 @@ def main(args):
             )
 
     async def reserve_slot(ctx: interactions.CommandContext, steamid: str):
-        steam_id = SteamID(steamid)
-        user = ctx.user
         channel = ctx.channel.id
+        user = ctx.user
 
         if channel != "433738529898627073":
             await ctx.send(f"This command only works in the Channel <#433738529898627073>!", ephemeral=True)
             return
 
+        try:
+            steam_id = SteamID(steamid)
+        except:
+            await ctx.send(f"You failed to give a valid SteamID as it seems, please head to <https://steamid.xyz/> and check.", ephemeral=True)
+            return
+
         if steam_id.isValid() == False:
-            await ctx.send(f"You failed to give a valid SteamID as it seems, please head to <https://steamid.xyz/ and check.", ephemeral=True)
+            await ctx.send(f"You failed to give a valid SteamID as it seems, please head to <https://steamid.xyz/> and check.", ephemeral=True)
             return
 
         try:
@@ -62,7 +91,11 @@ def main(args):
 
     bot.start()
 
-
+    while True:
+        print("Graceful shutdown...")
+        if sighandler.receivedSignal:
+            bot.remove("reserve_slot", remove_commands=True)
+            exit()
 
 if __name__ == '__main__':
     main(sys.argv[1:])