docker启动redis哨兵报错（sentinel.conf is not writable: Permission denied）

Sentinel config file /usr/local/sentinel/sentinel.conf is not writable: Permission denied. Exiting…
用这个命令不报错：docker run --net host -p 6666:6666–name redis-sentinel -v /usr/mcc/redis/conf:/usr/local/sentinel/ -v /usr/mcc/redis/data/sentinel.log:/data/sentinel.log -d redis:6.2.11-alpine redis-sentinel /usr/local/sentinel/sentinel.conf