Before 'no reachable servers' another error message appears:
mongodb_1 | 2015-11-09T19:33:48.586+0000 I STORAGE [initandlisten] exception in initAndListen: 98 Unable to create/open lock file: /data/db/mongod.lock errno:13 Permission denied Is a mongod instance already running?, terminating
mongodb_1 | 2015-11-09T19:33:48.586+0000 I CONTROL [initandlisten] dbexit: rc: 100