Serverless Guide ⚡☁️

Build Apps Without Managing Servers

1. What is Serverless?

Serverless is a cloud computing model where you run code without managing servers.

2. Popular Services

AWS Lambda
Google Cloud Functions
Azure Functions
Firebase Functions

3. How It Works

Event → Function → Response

4. Example (Node.js)

exports.handler = async (event) => {
  return {
    statusCode: 200,
    body: "Hello Serverless"
  };
};

5. Benefits

- No server management
- Auto scaling
- Pay per use

6. Limitations

- Cold start delay
- Limited control
- Not for heavy apps

7. Real Use Cases