Marcio Cunha

Technical Articles

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

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BackendDevOps•4 min

Health Checks: How to Automatically Detect Application Issues

Discover how automated health checks detect software failures in modern systems. Learn to implement efficient liveness and readiness probes to ensure high availability in distributed environments.

BackendDevOps•5 min

Secrets Management: How to Protect Passwords, Tokens, and Keys in Applications

Learn how to shield your application against leaks by eliminating hardcoded credentials. Explore the best Secrets Management strategies and tools for modern software engineering.

BackendArquitetura•4 min

API Gateway: What It Is and When Your Architecture Needs One

Discover the essential role of an API Gateway in modern microservices architectures. Understand when your application truly requires this control, security, and routing layer.

BackendArquitetura•6 min

gRPC vs REST: When a Traditional API Is No Longer the Best Option

Discover when traditional REST APIs begin to fail under scale pressure and why gRPC has become the inevitable choice for modern, high-performance distributed systems.

BackendRedes•5 min

WebSockets: How to Build Real-Time Communication Between Server and Browser

Discover how WebSockets revolutionized the web by enabling bidirectional and instant communication between browsers and servers. Understand practical concepts, use cases, and real implementations.

BackendArquitetura•5 min

Queues and Asynchronous Processing: When Your Application Really Needs Them

Discover how queues and asynchronous processing save applications from critical bottlenecks, ensuring resilience, scalability, and an impeccable user experience under high load.

BackendArquitetura•5 min

RabbitMQ vs Kafka: Guide to Choosing the Right Messaging Tool

Discover the real differences between RabbitMQ and Apache Kafka in software engineering. Learn when to prioritize traditional message queues or large-scale data streaming for robust applications.

BackendDevOps•4 min

MinIO: How to Build Your Own S3-Compatible Object Storage

Learn how to deploy and manage MinIO, a high-performance object storage solution compatible with AWS S3 API. Master core architecture concepts, practical deployment, and best practices to keep data secure on your own hardware.

DevOpsBackend•5 min

Docker Volumes: How Data Persistence Works in Containers

Discover how Docker volumes guarantee the security and survival of your data when containers are destroyed. An in-depth technical guide on persistence.

BackendDevOps•5 min

Cloudflare R2: How to Store Files in the Cloud Without Paying Egress Fees

Discover how Cloudflare R2 eliminates heavy data egress transfer fees charged by legacy cloud giants, offering S3-compatible object storage and real savings for your infrastructure.