Building Bitly from Scratch — System Design Explained

In this video we kick off the URL Shortener Project Series by designing the complete architecture of the application before writing any code. We'll discuss how a URL shortening service works, what components are required, how requests flow through the system, and why we're choosing a serverless architecture on AWS. What You'll Learn Application Flow Long URL → Short URL URL Redirect Flow Request Lifecycle System Design Frontend Architecture Backend Architecture Database Design API Design AWS Architecture API Gateway Lambda Functions DynamoDB IAM Roles CloudWatch Custom Domain Setup Project Roadmap Infrastructure with Terraform Backend Development Frontend Development CI/CD Automation Monitoring & Logging Production Deployment By the end of this video you'll have a complete understanding of what we're building and how all components fit together. Tech Stack Node.js Next.js AWS Lambda API Gateway DynamoDB Terraform CloudWatch GitHub Actions Route53 ACM #AWS #Serverless #Lambda #DynamoDB #Terraform #NodeJS #NextJS #SystemDesign #CloudComputing #DevOps