docker: add traefik support

chatmaild/src/chatmaild/config.py

@@ -44,6 +44,9 @@ class Config:
         )
         self.mtail_address = params.get("mtail_address")
         self.disable_ipv6 = params.get("disable_ipv6", "false").lower() == "true"
+        self.use_foreign_cert_manager = (
+            params.get("use_foreign_cert_manager", "false").lower() == "true"
+        )
         self.change_kernel_settings = (
             params.get("change_kernel_settings", "true").lower() == "true"
         )

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -60,6 +60,9 @@ postfix_reinject_port_incoming = 10026
 # if set to "True" IPv6 is disabled
 disable_ipv6 = False
 
+# if you set "True", acmetool will not be installed and you will have to manage certificates yourself.
+use_foreign_cert_manager = False
+
 #
 # Kernel settings
 #