podman/docs/source/markdown/options/sdnotify.md

####> This option file is used in: ####> podman create, run ####> If file is edited, make sure the changes ####> are applicable to all of those.

--sdnotify=container | conmon | ignore

Determines how to use the NOTIFY_SOCKET, as passed with systemd and Type=notify.

Default is container, which means allow the OCI runtime to proxy the socket into the container to receive ready notification. Podman will set the MAINPID to conmon's pid. The conmon option sets MAINPID to conmon's pid, and sends READY when the container has started. The socket is never passed to the runtime or the container. The ignore option removes NOTIFY_SOCKET from the environment for itself and child processes, for the case where some other process above Podman uses NOTIFY_SOCKET and Podman should not use it.