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Security tutorial - IT technology blog
Posted inSecurity

CI/CD Security: Eliminating Long-lived Secrets with GitHub Actions OIDC

Posted by By admin September 12, 2026
Eliminate the risk of secret key leaks by switching to GitHub Actions OIDC. Learn how to grant temporary permissions to AWS/GCP for a more secure and professional CI/CD process.
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Virtualization tutorial - IT technology blog
Posted inVirtualization

Deploying MicroVMs with Firecracker: When Virtual Machines Are Lightweight and Boot in a Flash

Posted by By admin May 9, 2026
A guide to deploying Firecracker MicroVMs on Linux—AWS's ultra-lightweight virtual machine solution. Boot in just 125ms with minimal resource consumption, ideal for Serverless.
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Development tutorial - IT technology blog
Posted inDevelopment

LocalStack: Simulate AWS S3, Lambda, DynamoDB Locally — Completely Free

Posted by By admin April 18, 2026
LocalStack lets you emulate AWS S3, Lambda, and DynamoDB locally using Docker, no real AWS account needed. This guide covers setup, a comparison with alternative approaches, and pytest integration for running integration tests completely offline.
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Database tutorial - IT technology blog
Posted inDatabase

Database Management on AWS RDS: Hard-earned Lessons for Optimizing Performance and Cost

Posted by By admin March 31, 2026
Managing AWS RDS effectively is more than just clicking buttons. Explore real-world experiences in cost optimization with gp3, Multi-AZ configuration, and backup strategies for large systems.
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Development tutorial - IT technology blog
Posted inDevelopment

Introduction to Infrastructure as Code: A Guide to Automating AWS Infrastructure with Terraform

Posted by By admin March 15, 2026
After 6 months running Terraform in production, I walk through the entire journey — from realizing ClickOps was a problem, to installation, writing configs, and safely managing state files with an S3 backend. This article focuses on real-world lessons, not theory.
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