Cloud, Kubernetes, and platform engineering.
Senior-engineer field notes on cloud, Kubernetes, AWS, Terraform, and platform engineering by Ercan Ermis.
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AWS Monthly (April '25): Cooling the AI Heat
In April, AWS gave us a peek behind the curtain of their data center engineering. To handle the thermal output of the latest AI clusters, ...
AWS Monthly (Mar '25): The Proximity Power Play
Technically, this brings "Single-Digit Millisecond Latency" to almost every major tech hub. If you are building AR/VR backends, indust...
Streamline Your AWS ECR Management with This Powerful Bash Script
A bash script that applies a keep-the-last-three-images lifecycle policy to every ECR repository in a region, with a dry-run mode before it deletes anything.
AWS Monthly (Jan '25): Shattering the 6MB Ceiling
AWS raised Lambda response streaming to 200 MB in January, retiring the 6MB payload workaround. What it does for TTFB, plus S3 Express One Zone latency gains.
Setting up DKIM for Google Workspace (Gmail) using Terraform and AWS Route 53
DKIM (DomainKeys Identified Mail) is a critical email authentication technique that helps prevent email spoofing. By using DKIM, you ...
Automate AWS Site-to-Site VPN Monitoring
That’s exactly why I created the AWS Site-to-Site VPN Monitoring Script, a tool designed to automate the monitoring of VPN connections ...
Optimizing Docker Images: Tips for Reducing Image Size and Build Time
Hey, fellow Docker enthusiast! If you're here, you probably love Docker as much as I do, spinning up containers, packaging applications ...
Monitoring EC2 Disk Space with a Simple Bash Script and Slack Alerts
In the cloud infrastructure landscape, monitoring the health and resources of EC2 instances is essential. One common challenge for system...
Securing Docker Containers: Best Practices for Container Security
When we talk about containerization, Docker is often the first tool that comes to mind. It's revolutionized how we develop, ship, and ...
Mastering Dockerfile: Writing Efficient, Scalable Container Builds
Docker has revolutionized the way we develop, package, and ship applications. At the heart of this container magic is the Dockerfile, the ...
More from Ercan
Two more sites, same author, different ground.
AI, LLMs, agents, applied ML.
Field notes on AI workloads. Bedrock cost analysis, agent patterns, vector storage trade-offs, production failure modes.
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Personal hub for both writing tracks. Who I am, how the consulting works, how to reach me.
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