Cloud, Kubernetes, and platform engineering.
Senior-engineer field notes on cloud, Kubernetes, AWS, Terraform, and platform engineering by Ercan Ermis.
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Accessing AWS Services in Private Subnets Without 0.0.0.0/0
When working with AWS (Amazon Web Services), securing your infrastructure is paramount. One of the most common security practices is to ...
Understanding AWS Regions, Availability Zones, and VPCs: A Comprehensive Guide
In today's cloud computing landscape, Amazon Web Services (AWS) has established itself as a leader, offering a wide range of services to ...
AWS Network Load Balancers with Header Modification Techniques
AWS Network Load Balancers (NLBs) are a powerful tool for distributing incoming application traffic across multiple targets...
How to call multiple terraform modules in a single terragrunt file
in Terragrunt, you can call multiple Terraform modules from a single Terragrunt configuration file by using the terraform block in combi...
Leveraging Git Hooks for Enforcing Commit Message Standards: A Guide for Cross-Platform Development Teams
Enforcing Conventional Commits with a commit-msg hook on Mac, Linux and Windows, plus the distribution problem every hook has because .git/hooks stays local.
Simplifying SSL with Let's Encrypt and CLI.ini: A DevOps Guide
In the vast expanse of the internet, security is not just a luxury; it's a necessity. For web developers and system administrators, ...
TCP vs. UDP: Navigating the Protocols as Developers and DevOps
Understanding TCP and UDPBefore we dive into the differences, let's briefly understand what TCP and UDP are ...
AWS VPC IP Versions: IPv4 vs. IPv6
So, buckle up as we unravel the mysteries of IPv4 and IPv6 within AWS VPC, serving you a platter of insights, examples, and detailed ...
AWS S3 CORS Settings: A Deep Dive
Whether you're a seasoned AWS veteran or just starting, mastering CORS settings in S3 can greatly enhance your web applications' functiona...
Importance of Regions and Availability Zones on AWS
We're diving into a pivotal aspect of architecting robust, resilient, and efficient applications on Amazon Web Services (AWS): understand...
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Field notes on AI workloads. Bedrock cost analysis, agent patterns, vector storage trade-offs, production failure modes.
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