Update readme

README.md

@@ -19,7 +19,17 @@ At the time I'm writing this README, it will:
 You need a place to store your stuff.
 Mine is `/srv/ext/incoming`.
 
-    docker run -d -p 8080:8080 --device /dev/sr0 -v /srv/ext/incoming:/incoming registry.gitlab.com/dartcatcher/media-sucker/media-sucker
+    docker run \
+        --name=sucker \
+        -d --restart=always \
+        -p 8080:8080 \
+        --device /dev/sr0 \
+        -v /srv/ext/incoming:/incoming \
+        registry.gitlab.com/dartcatcher/media-sucker/media-sucker
+
+I can't get it to work with docker swarm.
+Presumably some magic is happening with `--device`.
+It probably has something to do with selinux.
 
 Stick a video DVD or audio CD in,
 and the drive should spin up for a while,