> This page location: Frontend & Frameworks > Frameworks > Express
> Full Neon documentation index: https://neon.com/docs/llms.txt

# Connect an Express application to Neon

Set up a Neon project in seconds and connect from an Express application

This guide describes how to create a Neon project and connect to it from an Express application. Examples are provided for using the [Neon serverless driver](https://npmjs.com/package/@neondatabase/serverless), [node-postgres](https://www.npmjs.com/package/pg) and [Postgres.js](https://www.npmjs.com/package/postgres) clients. Use the client you prefer.

To connect to Neon from an Express application:

## Create a Neon project

If you do not have one already, create a Neon project.

1. Navigate to the [Projects](https://console.neon.tech/app/projects) page in the Neon Console.
2. Click **New Project**.
3. Specify your project settings and click **Create Project**.

## Create an Express project and add dependencies

1. Create an Express project and change to the newly created directory.

   ```shell
   mkdir neon-express-example
   cd neon-express-example
   npm init -y
   npm install express
   ```

2. Add project dependencies using one of the following commands:

   Tab: Neon serverless driver

   ```shell
   npm install @neondatabase/serverless dotenv
   ```

   Tab: node-postgres

   ```shell
   npm install pg dotenv
   ```

   Tab: postgres.js

   ```shell
   npm install postgres dotenv
   ```

## Store your Neon credentials

Add a `.env` file to your project directory and add your Neon connection details to it. Find your database connection details by clicking the **Connect** button on your **Project Dashboard** to open the **Connect to your database** modal. Select Node.js from the **Connection string** dropdown. For more information, see [Connect from any application](https://neon.com/docs/connect/connect-from-any-app).

```shell
DATABASE_URL="postgresql://<user>:<password>@<endpoint_hostname>.neon.tech:<port>/<dbname>?sslmode=require&channel_binding=require"
```

**Important:** To ensure the security of your data, never expose your Neon credentials to the browser.

## Configure the Postgres client

Add an `index.js` file to your project directory and add the following code snippet to connect to your Neon database:

Tab: Neon serverless driver

```javascript
require('dotenv').config();

const express = require('express');
const { neon } = require('@neondatabase/serverless');

const app = express();
const PORT = process.env.PORT || 4242;

app.get('/', async (_, res) => {
  const sql = neon(`${process.env.DATABASE_URL}`);
  const response = await sql`SELECT version()`;
  const { version } = response[0];
  res.json({ version });
});

app.listen(PORT, () => {
  console.log(`Listening to http://localhost:${PORT}`);
});
```

Tab: node-postgres

```javascript
require('dotenv').config();

const { Pool } = require('pg');
const express = require('express');

const app = express();
const PORT = process.env.PORT || 4242;

app.get('/', async (_, res) => {
  const pool = new Pool({
    connectionString: process.env.DATABASE_URL,
  });
  const client = await pool.connect();
  const result = await client.query('SELECT version()');
  client.release();
  const { version } = result.rows[0];
  res.json({ version });
});

app.listen(PORT, () => {
  console.log(`Listening to http://localhost:${PORT}`);
});
```

Tab: postgres.js

```javascript
require('dotenv').config();

const express = require('express');
const postgres = require('postgres');

const app = express();
const PORT = process.env.PORT || 4242;

app.get('/', async (_, res) => {
  const sql = postgres(`${process.env.DATABASE_URL}`);
  const response = await sql`SELECT version()`;
  const { version } = response[0];
  res.json({ version });
});

app.listen(PORT, () => {
  console.log(`Listening to http://localhost:${PORT}`);
});
```

## Run index.js

Run `node index.js` to view the result on [localhost:4242](https://neon.com/docs/guides/localhost:4242) as follows:

```shell
{ version: 'PostgreSQL 16.0 on x86_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.1 20210110, 64-bit' }
```

## Source code

You can find the source code for the application described in this guide on GitHub.

- [Get started with Express and Neon](https://github.com/neondatabase/examples/tree/main/with-express): Get started with Express and Neon

---

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