# 自訂資料庫與port

### 建立資料庫

mkdir /tmp/mongodb

```
mongod --port 27018 --dbpath /tmp/mongodb/
```

### 連接自訂資料庫與port

mongo --port 27018

```
mongo --port 27018
MongoDB shell version v4.2.1
connecting to: mongodb://127.0.0.1:27018/?compressors=disabled&gssapiServiceName=mongodb
```