Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categories Arquitetura Automação Backend Carreira DevOps Eletrônica Engenharia Frontend Hardware IA Negócios Produtividade Redes

BackendArquitetura•5 min

System down? How to design resilient circuit breakers

Learn how circuit breakers prevent cascading failures in the cloud. Protect your dependent services with robust fault tolerance patterns.

Frontend•4 min

Broken mobile layout? How to use CSS Subgrid in practice

Learn how to use advanced CSS Subgrid to align complex multi-level components in responsive design without resorting to JavaScript hacks.

Backend•4 min

Slow API? How to optimize N plus 1 queries in PostgreSQL

Learn how the N plus 1 query problem destroys API performance and master join fetching, lazy loading, and caching to speed up PostgreSQL.

IA•3 min

Why models hallucinate and how to build RAG guardrails

Discover why Retrieval-Augmented Generation systems generate false answers and learn to implement strict guardrails and validations in production.

DevOpsRedes•4 min

Why TLS certificates expire and how to automate renewal

Learn how to eliminate service outages caused by expired TLS certificates using HashiCorp Vault and cert-manager in Kubernetes.

DevOpsRedes•3 min

How to isolate environments in Kubernetes with network policies

Learn how to use Kubernetes Network Policies to restrict east-west traffic between namespaces, ensuring strict security in multi-tenant clusters.

DevOps•3 min

How to provision immutable cloud infrastructure with Packer and Terraform

Learn to build standardized and secure machine images using Packer to eliminate manual errors and Terraform to provision resilient cloud systems.

DevOpsArquitetura•3 min

How to manage feature flags at scale without code clutter

Learn how to manage feature flags in large systems, decouple deployment from release, and automate technical cleanup to prevent code rot.

DevOps•4 min

How to audit vulnerabilities in Docker images in the pipeline

Learn how to integrate dependency scanning tools and SBOM into your CI/CD pipeline to block vulnerable images before they reach the registry.

BackendDevOps•4 min

Microservices failing? How to track bugs with OpenTelemetry

Learn how to build unified distributed tracing using OpenTelemetry and Grafana Tempo to locate latencies and hidden bottlenecks in complex architectures.