update self-hosted-with-docker docs

Fix scheduler arguments to prevent "no space left on device" error

Signed-off-by: fvanzee <>

Author: fvanzee

daprdocs/content/en/operations/hosting/self-hosted/self-hosted-with-docker.md

@@ -141,7 +141,7 @@ services:
 
   scheduler:
     image: "daprio/dapr"
-    command: ["./scheduler", "--port", "50007"]
+    command: ["./scheduler", "--port", "50007", "--etcd-data-dir=/var/lock/dapr/scheduler"]
     ports:
       - "50007:50007"
     # WARNING - This is a tmpfs volume, your state will not be persisted across restarts