Restart hanging Docker container

Restart a Docker container if there is no change in its log since last run of script below. This was used on an arm64 with a always deadlocking Docker container. The script was run via cron every 5 minutes.

#!/bin/bash

echo started at $(date)
docker logs --tail=10 DOCKERCONTAINER 2> /tmp/check_new

if cmp -s "/tmp/check_new" "/tmp/check_prev"
then
  echo "restart"
  docker restart DOCKERCONTAINER
fi
cp /tmp/check_prev /tmp/check_prev_prev
mv /tmp/check_new /tmp/check_prev