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

BackendDevOps•3 min

Application Performance Monitoring with OpenTelemetry and Asynchronous Export

Learn how to architect distributed systems monitoring using OpenTelemetry and asynchronous exporters to protect application performance under heavy load.

DevOpsArquitetura•5 min

Cloud Cost Optimization with Spot Instances and Automated Workload Shutdown

Drastically reduce cloud bills by combining low-cost servers with controlled interruptions and smart routines to turn off idle workloads.

RedesDevOps•4 min

Service Mesh Implementation with Istio and Mutual TLS Traffic Policies with Automatic Certificate Rotation

Learn how to build zero-trust security in Kubernetes environments using the Istio service mesh for transit encryption and automated credential rotation without downtime.

DevOps•3 min

Container Image Security Auditing with Trivy and Gatekeeper

Learn how to scan container images for vulnerabilities using Trivy and automatically block insecure deployments in Kubernetes using Gatekeeper.

BackendDevOps•4 min

Multi-Region Failover Orchestration for Distributed Databases with Consul and Custom Health Checks

Learn how to build geographically resilient databases using HashiCorp Consul and tailored health checks for seamless traffic transitions during infrastructure outages.

DevOpsArquitetura•4 min

Building Secure Continuous Integration Pipelines with Isolated Runners in Firecracker MicroVMs

Learn how to isolate continuous integration workloads using Firecracker MicroVMs to guarantee maximum security and performance in complex build environments.

DevOpsEngenharia•3 min

Immutable Configuration Management with Terraform and Infrastructure Unit Testing Using Terratest

Learn how to build resilient cloud architectures using immutable infrastructure with Terraform and automated code validation through Terratest.

DevOpsArquitetura•4 min

Metrics Collection and Aggregation at Scale with Prometheus Thanos

Discover how Thanos solves Prometheus data storage and retention limits in distributed environments. A practical guide to large-scale observability architecture.

DevOpsArquitetura•5 min

GitOps with Flux CD and Cryptographic Artifact Validation in Regulated Environments

Learn how to implement high-security GitOps using Flux CD combined with cosign cryptographic signatures to ensure strict compliance in regulated infrastructures.

DevOpsArquitetura•4 min

Cryptographic Secrets Lifecycle Management in Hybrid Infrastructures with Automated Rotation and Access Validation

Learn how to structure cryptographic secrets management across cloud and on-premise environments, implementing automated rotation and rigorous access validation to mitigate breaches.