Feb 4 · 3 min read · Learn how to optimize Lambda costs and deploy your first function with Terraform Why AWS Lambda? AWS Lambda lets you run code without managing servers. You pay only for requests and execution time. It's ideal when your traffic is unpredictable or ev...
Join discussionFeb 4 · 3 min read · 📌 Objective The objective of this hands-on lab is to understand Amazon S3 Events and how S3 can automatically trigger notifications when specific actions occur on objects inside a bucket. In this practice, I configured S3 PUT object events to send n...
Join discussion
Dec 21, 2025 · 1 min read · In this lab I show how to prevent human mistakes and how organizations label resources for ownership, cost tracking, and automation.This is about operational safety in Azure environment. We start by creating our resource group: From Azure Portal → Re...
Join discussion
Sep 27, 2025 · 9 min read · Securely managing sensitive data like API keys, passwords, and tokens in CI/CD pipelines is a cornerstone of modern DevOps practices. Hardcoding credentials in code or configuration files is a security risk that can lead to leaks, breaches, and compl...
Join discussion
Sep 2, 2025 · 7 min read · When I first encountered VAmPI (Vulnerable API), I expected a simple lab exercise. What I discovered was a comprehensive lesson in how subtle coding decisions create catastrophic security vulnerabilities. VAmPI is an intentionally vulnerable API buil...
SStella commented
May 28, 2025 · 3 min read · Ever wondered how modern applications handle high traffic and multiple interacting services? Microservices, containerization, and message queues are key players. Today, I want to walk you through a simple, yet powerful, voting application that showca...
Join discussion
May 7, 2025 · 7 min read · In PostgreSQL indexing, B-tree indexes have long been the default choice for most use cases. However, BRIN indexes are often considered a more space-efficient alternative when dealing with multi-billion-row tables. But do they live up to the hype? Th...
Join discussionApr 23, 2025 · 6 min read · Objetivo Este laboratório introdutório ensina os conceitos básicos de cursores no Oracle Database utilizando PL/SQL, voltado para iniciantes que não têm experiência com PL/SQL. Você aprenderá: O que são cursores e sua importância no processamento de...
Join discussionApr 19, 2025 · 3 min read · I’m excited to share a new series of blogs that will take you through my hands-on journey with AWS Skill Builder labs. Over the next few weeks, I’ll be diving deep into various labs provided by AWS Skill Builder, where I'll demonstrate practical, rea...
Join discussionMar 29, 2025 · 5 min read · Introduction This guide provides a step-by-step walkthrough on creating and configuring a two-node Kubernetes cluster on AWS EC2 instances. It covers the entire process from provisioning infrastructure on AWS to setting up container runtimes and inst...
Join discussion