updates to the updated bot and changing storage driver

.gitlab-ci.yml

@@ -5,7 +5,7 @@ services:
     command: ["dockerd-entrypoint.sh"]
 variables:
   DOCKER_TLS_CERTDIR: ""
-  DOCKER_DRIVER: overlay
+  DOCKER_DRIVER: overlay2
 
 stages:
   - linting

app/dragon-bot-updated.py

@@ -60,4 +60,23 @@ async def purge(ctx):
         return
   await ctx.message.channel.purge(limit=num, check=is_me)
 
+@bot.command(name='cleanup')
+async def cleanup(ctx):
+  def is_discord_bot(m):
+    return m.author == bot.user
+
+  num = 20
+  if len(ctx.message.content.split()) > 1:
+      try:
+        num = int(ctx.message.content.split()[1]) + 1
+      except ValueError:
+        await ctx.send(
+            ctx.message.channel,
+            "You need to give me a number, you entered {}".format(
+              ctx.message.content.split()[1]
+            )
+        )
+        return
+  await ctx.message.channel.purge(limit=num, check=is_discord_bot)
+
 bot.run(TOKEN)