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Neon Postgres & Astro

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Neon is a fully managed serverless Postgres database. It separates storage and compute to offer autoscaling, branching, and bottomless storage.

Adding Neon to your Astro project

Section titled Adding Neon to your Astro project

Prerequisites

Section titled Prerequisites

Environment configuration

Section titled Environment configuration

To use Neon with Astro, you will need to set a Neon environment variable. Create or edit the .env file in your project root, and add the following code, replacing your own project details:

.env
NEON_DATABASE_URL="postgresql://<user>:<password>@<endpoint_hostname>.neon.tech:<port>/<dbname>?sslmode=require"

For better TypeScript support, define environment variables in a src/env.d.ts file:

src/env.d.ts
interface ImportMetaEnv {
  readonly NEON_DATABASE_URL: string;
}


interface ImportMeta {
  readonly env: ImportMetaEnv;
}
Learn more about environment variables and .env files in Astro.

Installing dependencies

Section titled Installing dependencies

Install the @neondatabase/serverless package to connect to Neon:

Terminal window
npm install @neondatabase/serverless

Creating a Neon client

Section titled Creating a Neon client

Create a new file src/lib/neon.ts with the following code to initialize your Neon client:

src/lib/neon.ts
import { neon } from '@neondatabase/serverless';


export const sql = neon(import.meta.env.NEON_DATABASE_URL);

Querying your Neon database

Section titled Querying your Neon database

You can now use the Neon client to query your database from any .astro component. The following example fetches the current time from the Postgres database:

src/pages/index.astro
---
import { sql } from '../lib/neon';


const response =  await  sql`SELECT NOW() as current_time`;
const currentTime = response[0].current_time;
---


<h1>Current Time</h1>
<p>The time is: {currentTime}</p>

Database branching with Neon

Section titled Database branching with Neon

Neon’s branching feature lets you create copies of your database for development or testing. Use this in your Astro project by creating different environment variables for each branch:

.env.development
NEON_DATABASE_URL=your_development_branch_url
.env.production
NEON_DATABASE_URL=your_production_branch_url

Resources

Section titled Resources

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