# MAC OS
# if installed via brew
/usr/local/var/mongodb
# default location
/data/db
# map host's storage directory to container's storage directory
docker run --name mongodb -v /usr/local/var/mongodb:/data/db -p 27017:27017 -d mongo
# Running on Mac OS
sudo mkdir -P /data/db
sudo chown `id -u` /data/db
mongod
# or specify your own directory
sudo mongod --dbpath /cusotm/path