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From Chaos to Control: Managing Microservice Environment Variables in AWS

Managing environment variables across 40 microservices can be chaotic and insecure. Discover how we tackled this challenge by centralizing secrets and configurations with AWS Parameter Store instead of AWS Secrets Manager. This article offers a step-by-step guide, including Go code examples, to improve your system's security and simplify operations.

Three AWS Associate Certifications in Six Months: My SysOps Admin Experience and Beyond

Mission accomplished! I'm proud to have completed the AWS Associate core by obtaining my Solutions Architect, Developer, and SysOps Administrator certifications. Learn about my journey to the SysOps Admin exam, the essential operational knowledge, and why these three certifications are a game-changer for cloud professionals. Find out what's next for my professional growth!

S3 Bucket Policies: Utility and Practical Examples

Navigating AWS S3 bucket policies can be tricky! This article breaks down what S3 bucket policies are, how they work, and provides practical examples to help you control access and define rules for your S3 buckets. Learn how to manage who can read or create objects, enforce encryption, and even restrict access based on tags or secure transport (HTTPS).

The Small Change That Made a Big Impact

This article tells the true story of how I optimized a backend process that was inexplicably taking 75 seconds longer than it should. Even though we used Go and goroutines for parallel processing, the bottleneck was hiding in the most unexpected place: warning logging. I show you the analysis, before and after data, and a code example so you can see for yourself how such a common operation can destroy the performance of a concurrent system. A vital lesson on how the smallest details can have the biggest impact.