AWS SQS Mastery: Standard vs FIFO Queues and Dead Letter Handling for Microservices Introduction Your Rails application processes orders synchronously. A user clicks “Purchase,” and your server c...
Build Serverless Application with AWS Lambda: Functions, Triggers, and Cold Starts Introduction Your Rails application needs to resize uploaded images, send welcome emails, process payment webhoo...
AWS CloudFront Mastery: CDN, Caching, and Edge Locations Introduction Your Rails application serves users globally. Someone in Tokyo requests your homepage. The request travels 10,000 kilometers ...
AWS Route 53 Mastery: DNS Routing Policies, Domains, Traffic Management and Health Checks Introduction Your application is running perfectly in us-east-1. Users in Europe report slow page loads—l...
AWS ELB Mastery: ALB, NLB, Gateway LB for High Availability and Fault Tolerance Introduction Your Rails application runs on a single EC2 instance. Traffic is growing. One day, the instance fails—...
RDS Mastery: PostgreSQL, MySQL, and Aurora with Backups, Replicas, and High Availability Introduction Your Rails application is growing. Database queries are slowing down, manual backups are forg...
AWS S3 Mastery: Buckets, Objects, Versioning, and Lifecycle Policies Introduction Your users are uploading profile pictures, your application is generating daily reports, your backups are piling ...
AWS EC2 Mastery: Deploy and Scale Virtual Servers in the Cloud Introduction Your application is growing. What started as a simple Rails app on a single server now handles thousands of requests pe...
AWS VPC Mastery: Subnets, Route Tables, and Security Groups Introduction You’ve launched your first EC2 instance, and it’s running beautifully. Then you realize: this server is exposed directly t...
AWS IAM Mastery: Users, Roles, Policies, and Best Practices Introduction You’ve just created your first AWS account. You have root access to everything—EC2 instances, S3 buckets, databases, billi...