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

EngenhariaDevOps•7 min

Testing Contracts for Business Rules: Pyramid, Characterization, and Flakiness Limits

Learn how to build robust testing contracts that genuinely safeguard critical business rules. This article explores the test pyramid, the role of characterization tests in existing systems, and strategies to combat flakiness, ensuring software integrity.

DevOpsProdutividade•3 min

Automating Ephemeral Development Environments via Infrastructure as Code

Learn how to transform your development environment configuration using Infrastructure as Code (IaC). Eliminate local inconsistencies and boost productivity with ephemeral, versioned environments.

DevOpsArquitetura•3 min

GitOps with FluxCD and Custom Resources for Dynamic Infrastructure Management

Learn how FluxCD uses Custom Resource Definitions to automate infrastructure state, ensuring consistency across dynamic Kubernetes environments.

DevOpsArquitetura•3 min

FinOps in Kubernetes: Cost Allocation via Resource Quotas and Canonical Labels

Learn how to implement a precise FinOps model in Kubernetes using Resource Quotas and Canonical Labels for total cloud spend traceability. Structure your infrastructure for clear financial visibility.

DevOpsHardware•3 min

Bare-Metal Provisioning in Homelabs using iPXE and Cloud-Init

Master the orchestration of physical server life cycles in your homelab using network booting with iPXE and automated configuration via Cloud-Init. Automate provisioning without touching USB drives or physical media.

BackendDevOps•2 min

AOT Compilation with GraalVM: Heap Optimization and Startup Time in Serverless Environments

Ahead-of-Time (AOT) compilation with GraalVM revolutionizes the lifecycle of Java applications in serverless. Learn how to drastically reduce memory consumption and cold start times using native images.

DevOpsProdutividade•2 min

Local development infrastructure: Self-hosting with Docker containers

Learn how to build a productivity ecosystem by running your own services in containers. Reduce dependency on third-party tools and gain full control over your data and workflows.

DevOpsArquitetura•2 min

CI/CD Pipelines with GitHub Actions, Docker and Zero-Downtime Deployment

Master the art of building robust CI/CD pipelines using GitHub Actions and multi-stage Docker builds. Learn how to implement deployment strategies that ensure high availability and zero-downtime for your applications.

DevOpsBackend•2 min

Secrets and Token Management: Data Security in Self-Hosted Environments

Learn how to secure your tokens and credentials in self-hosted infrastructures. Understand the role of Argon2id and the critical importance of key rotation to prevent leaks.

RedesDevOps•2 min

Network segmentation with VXLAN and BGP EVPN for high availability

Explore how to implement modern network segmentation using VXLAN and BGP EVPN to ensure scalability and resilience in data centers. This technical overview covers the integration of virtual tunnels and routing control protocols.