π§ Cognito in Multi-Region AWS Architectures β Whatβs the Right Approach?
Cognito is AWSβs managed authentication service, but it comes with a critical limitation: user pools are region-bound. In this post, I explore why this matters in multi-region designs and the approaches you can take to solve it.
π Ways to Access Your Database in a Private Subnet in AWS VPC
Databases should live in private subnets for security β but how do you access them when theyβre not exposed to the internet? In this post, I cover bastion hosts, Session Manager, VPC peering, VPN/Direct Connect, and PrivateLink.
Stop Reusing the Same CIDR Everywhere: VPC Peering Will Bite You
Overlapping CIDRs block VPC peering and make growth painful. Hereβs a practical plan for org-wide CIDR design, Terraform guardrails, and zero-downtime migration.
π The Power of Tagging Resources in AWS
Learn how AWS resource tagging can improve cost management, operations, security, and compliance in your cloud environment.
πΈ When AWS NAT Gateway Costs Spike Out of Control (and How to Be Prepared)
A sudden spike in AWS NAT Gateway costs can be painful β and without VPC Flow Logs, youβre left in the dark. Hereβs why it happens, how to investigate, and what to do next.
π¨ Docker on ECR Costs Alert! π¨ Managing Hidden Storage Charges
ECR charges $0.10 per GB/month for stored Docker images. Learn how lifecycle policies can keep your costs under control and prevent runaway storage bills.
How I Cut AWS Deployment Time in Half with GitHub Actions Matrix Strategy
Discover how leveraging the GitHub Actions matrix strategy helped streamline multi-region AWS deployments, cut deploy times by 50%, and keep workflows maintainable.
π How I Decreased Docker Image Size by Half with Distroless Images
Discover how switching to distroless images can drastically reduce Docker image size, improve security, and accelerate deployments.
π¨ AWS Lambda Costs ALERT! π¨ Optimizing Memory and Node.js Garbage Collection
Learn how improper memory allocation in AWS Lambda with Node.js can lead to crashes and inflated costs, and how tuning memory with NODE_OPTIONS can save you money.