same as https://github.com/chatmail/relay/pull/887/changes

cmdeploy/src/cmdeploy/deployers.py

@@ -3,7 +3,7 @@ Chat Mail pyinfra deploy.
 """
 
 import os
-from io import StringIO
+from io import BytesIO, StringIO
 from pathlib import Path
 
 from chatmaild.config import read_config
@@ -468,6 +468,14 @@ class ChatmailDeployer(Deployer):
         self.mail_domain = mail_domain
 
     def install(self):
+        files.put(
+            name="Disable installing recommended packages globally",
+            src=BytesIO(b'APT::Install-Recommends "0";\n'),
+            dest="/etc/apt/apt.conf.d/99no-recommends",
+            user="root",
+            group="root",
+            mode="644",
+        )
         apt.update(name="apt update", cache_time=24 * 3600)
         apt.upgrade(name="upgrade apt packages", auto_remove=True)