eolas/neuron/6d4cfb04-1e87-477a-91e9-34c360bfb8ad/Connect_to_Mongo_database.md

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2024-12-09 18:34:15 +00:00
---
tags:
- mongo-db
- node-js
- mongoose
- databases
---
# Connect to a database with Mongoose
Now that we have installed and configured MongoDB, we need to connect to it via
Node.js. Mongoose is a simple API for interacting with a Mongo database via
Node.
With Mongoose installed we can connect to a database. We don't have any Mongo
databases yet beyond the defaults but the following Mongoose connection logic
will create and connect to a new database called `playground`:
Providing the Mongo server is running (execture `mongod`), we will see the
confirmation message in the console.
```js
mongoose
.connect("mongodb://127.0.0.1/playground")
.then(() => console.log("Connected to MongoDB"))
.catch((err) => console.error(err));
```