• Why serverless needs a new way to distribute files
• How to implement signed URLs on the backend and the frontend
• How permissions work with signature-based downloads

Tamás Sallai

• Take advantage of AWS's global distribution network
• Use path-based routing to add an entry point to your cloud infrastructure
• Utilize caching on the edge locations

Tamás Sallai

Learn the basics of async/await and master asynchronous workflows in Javascript.

• How async functions work and how to use the await keyword
• How to use the Promise constructor
• How to implement proper error handling in an async environment

Tamás Sallai

• Write a Lambda function and add IAM permissions to it
• Add API Gateway for an HTTP endpoint
• Use DynamoDB to store data

Tamás Sallai

We write articles like this regularly. Let's keep in touch and:

• Get coupons for our books and courses when they are available
• Download our short ebook on AWS security basics
• Get articles and content on a regular basis

Thank you for your interest in the book! By signing up to the free chapters you'll receive 4 emails, each with a different part of the book.

• Introduction and use cases
• The architecture of signed URLs
• Backend implementation with Node.js
• Least privilege with dedicated roles

Thank you for your interest in the book! By signing up to the free chapters you'll receive 4 emails, each with a different part of the book.

• Introduction and the Lambda execution model
• Cold starts
• Async programming model
• Storing secrets in SSM Parameter Store

Thank you for your interest in the book! By signing up to the free chapters you'll receive 4 emails, each with a different part of the book.

• Introduction and Access control basics
• IAM users and roles
• The Principal and the Resource fields in policies
• Resource-based policies

Thank you for your interest in the book! By signing up to the free chapters you'll receive 4 emails, each with a different part of the book.

• Introduction
• Getting started with async/await
• Error propagation in Promise chains
• The async disposer pattern