Does Neon Work With AWS?

Fully CompatibleLast verified: 2026-02-26

Neon works seamlessly with AWS services as a managed PostgreSQL database backend for compute, serverless functions, and applications running on any AWS service.

Quick Facts

Compatibility

full

Setup Difficulty

Trivial

Official Integration

No — community maintained

Confidence

high

Minimum Versions

How Neon Works With AWS

Neon is database-agnostic and integrates with AWS through standard PostgreSQL connections, making it compatible with Lambda, EC2, ECS, RDS Proxy, and other AWS services. You connect to Neon via a connection string (psycopg2, node-postgres, etc.) just like any external database. The main advantage is eliminating AWS RDS costs while gaining Neon's branching for dev/test environments and autoscaling for unpredictable workloads. Developers typically use Neon as a drop-in replacement for RDS, especially for serverless architectures where autoscaling and connection pooling (via Neon's built-in PgBouncer) prevent cold-start connection bottlenecks. The free tier covers most proof-of-concepts and small applications, reducing cloud spend significantly. Network-wise, Neon connections go over HTTPS, adding minimal latency compared to same-region RDS instances, though cross-region deployments may see slightly higher latency than co-located databases.

Best Use Cases

→Lambda functions with variable traffic patterns using connection pooling to handle connection limits

→Development/staging environments leveraging Neon's branching feature for quick, isolated copies without duplication costs

→Cost optimization for startups and indie projects replacing expensive RDS Multi-AZ setups

→Hybrid architectures combining Neon for transactional data with AWS S3, DynamoDB for other workloads

Quick Setup

bash

npm install pg

typescript

import { Pool } from 'pg';

const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
  max: 20,
  idleTimeoutMillis: 30000,
  connectionTimeoutMillis: 2000,
});

export const handler = async (event) => {
  const client = await pool.connect();
  try {
    const result = await client.query('SELECT NOW()');
    return { statusCode: 200, body: JSON.stringify(result.rows) };
  } finally {
    client.release();
  }
};

// For Lambda, use Neon's pooling endpoint:
// DATABASE_URL=postgres://user:password@ep-cool-name-pooling.us-east-1.neon.tech/dbname?sslmode=require

Known Issues & Gotchas

critical

Lambda functions may exhaust Neon connection limits during traffic spikes without proper pooling configuration

Fix: Use Neon's connection pooling (PgBouncer) endpoint instead of direct database endpoint in Lambda environment variables

warning

Long-running queries or open transactions can block other requests in pooling mode

Fix: Implement query timeouts and avoid long-lived transactions; use transaction pooling mode for web apps

warning

Neon free tier has storage limits (3GB) and compute hour limits that may be exceeded by heavy workloads

Fix: Monitor usage via Neon console and upgrade to paid tier; use AWS CloudWatch integration for alerts

info

Cross-region latency between AWS region and Neon (US-based) may impact performance-critical applications

Fix: Neon now offers regional endpoints; choose region matching your primary AWS region during project setup

Alternatives

•AWS RDS PostgreSQL + Lambda: native AWS integration but higher baseline costs and no branching
•Supabase (PostgreSQL) + AWS: similar serverless database with built-in auth and real-time features
•PlanetScale (MySQL) + AWS: serverless MySQL alternative with branching, better for MySQL workloads

Resources

docsNeon Documentation tutorialNeon + AWS Lambda Guide docsConnection Pooling Best Practices githubNeon GitHub Examples

Related Compatibility Guides

PlanetScale + Neon FastAPI + Neon Flask + Neon Django + AWS Django + Neon NestJS + AWS

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