1. test with harbor 2.2.0 and harbor 2.3.0 2. change rotate size in `/home/harbor/harbor/common/config/log/logrotate.conf` 3. `docker exec -ti harbor-log bash` and check logs in /var/log/docker 4. script in /etc/cron.hourly/logrotate seems not run hourly 5. if run logrotate manually, logs can rotate