MongoDB Atlas
Use MongoDB's fully-managed cloud database service.
Getting Started
- Sign up at mongodb.com/atlas
- Create a new project and organization
- Deploy a cluster (select tier, cloud provider, region)
- Set up database users and IP whitelisting
- Connect using the connection string
Cluster Tiers
| Tier | Best For | Features |
|---|---|---|
| Free (M0) | Learning & small apps | 512MB storage, shared RAM |
| Shared (M2/M5) | Small production | 5-20GB storage, dedicated RAM |
| Dedicated (M10+) | Production workloads | Vertical scaling, advanced features |
Atlas Features
- Atlas Search: Full-text search capabilities
- Data Lake: Query across Atlas and S3 data
- Charts: Built-in data visualization
- Triggers: Serverless functions
- Backup: Point-in-time recovery
- Monitoring: Performance metrics and alerts
Connecting to Atlas
// Node.js connection example
const { MongoClient } = require('mongodb');
const uri = "mongodb+srv://username:password@cluster0.mongodb.net/test?retryWrites=true&w=majority";
const client = new MongoClient(uri);
async function run() {
try {
await client.connect();
const db = client.db("sample_db");
// Work with your database
} finally {
await client.close();
}
}