mac install and use MongoDB
https://www.jianshu.com/p/7241f7c83f4a
Tip mongodb Read-only file system when mac sudo mkdir -p / data / db
https://www.cnblogs.com/HoverM/p/11897638.html
https://www.jianshu.com/p/7241f7c83f4a
https://www.cnblogs.com/HoverM/p/11897638.html