No olvide asignar el puerto al puerto host:
docker run --name some-mongo -p 27017:27017 -d mongo
Entonces
docker-machine ip
me da 192.168.99.100
Escribe terminal
mongo 192.168.99.100
impresiones
MongoDB shell version: 3.2.4
connecting to: 192.168.99.100/test
Server has startup warnings:
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten]
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten]
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2016-08-22T07:35:20.214+0000 I CONTROL [initandlisten]
También probé con robomongo. Puedo conectarme sin problema.
