🗃️ Committing everything that changed 🗃️

Dockerfile
rootfs/root/
rootfs/usr/local/etc/docker/init.d/

rootfs/root/docker/conf/40_mailman_pipe

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+mailman_transport:
+   driver = pipe
+   command = MM_WRAP \
+          '${if def:local_part_suffix \
+                {${sg{$local_part_suffix}{-(\\w+)(\\+.*)?}{\$1}}} \
+                {post}}' \
+          $local_part
+   current_directory = MM_HOME
+   home_directory = MM_HOME
+   user = MM_UID
+   group = MM_GID