The latest articles on DEV Community by Anderson dos Santos Andrade (@nexu_codeplay_5f043180d9). https://dev.to/nexu_codeplay_5f043180d9 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3920604%2Fbfbdb7fa-eba4-4c64-8a52-49fc26a03533.png https://dev.to/nexu_codeplay_5f043180d9 en Anderson dos Santos Andrade Sat, 09 May 2026 03:34:16 +0000 https://dev.to/nexu_codeplay_5f043180d9/one-of-the-most-dangerous-production-problems-in-spring-boot-apis-is-not-cpu-usage-22e2 https://dev.to/nexu_codeplay_5f043180d9/one-of-the-most-dangerous-production-problems-in-spring-boot-apis-is-not-cpu-usage-22e2 <p>One of the most dangerous production problems in Spring Boot APIs is not CPU usage.</p> <p>It is:</p> <p>Thread Pool Exhaustion<br> Connection Pool Exhaustion</p> <p>This issue silently destroys APIs:</p> <p>requests start timing out<br> HikariCP runs out of connections<br> threads become blocked<br> Kubernetes starts restarting pods</p> <p>In this article I explain:</p> <p>why this happens<br> how to identify it<br> common architecture mistakes<br> transaction problems<br> blocking calls<br> proper HikariCP tuning<br> production-ready fixes</p> <p>This is one of the most important backend performance topics for Java engineers.</p> <p>Read more:<br> <a href="https://www.nexucodeplay.com/blog/o-erro-que-esta-destruindo-apis-spring-boot-em-producao-thread-pool-exhaustion-connection-pool-exhaustion" rel="noopener noreferrer">https://www.nexucodeplay.com/blog/o-erro-que-esta-destruindo-apis-spring-boot-em-producao-thread-pool-exhaustion-connection-pool-exhaustion</a></p> <h1> springboot #java #backend #performance #microservices </h1> springboot java performance microservices Anderson dos Santos Andrade Fri, 08 May 2026 19:32:43 +0000 https://dev.to/nexu_codeplay_5f043180d9/docker-deixou-de-ser-diferencial-faz-tempo-4d77 https://dev.to/nexu_codeplay_5f043180d9/docker-deixou-de-ser-diferencial-faz-tempo-4d77 <p>Docker Explicado do Jeito Certo</p> <p>Docker se tornou peça fundamental no desenvolvimento moderno.<br> Mas muita gente ainda usa containers sem entender o funcionamento real da tecnologia.</p> <p>Neste artigo você vai aprender:</p> <p>como Docker funciona<br> diferença entre containers e máquinas virtuais<br> criação de imagens profissionais<br> Dockerfile explicado corretamente<br> volumes e persistência<br> Docker Compose<br> multi-stage build<br> deploy moderno<br> erros comuns em produção</p> <p>Tudo com exemplos práticos usando Spring Boot e arquitetura moderna.</p> <p>Ideal para:</p> <p>backend developers<br> Java developers<br> DevOps engineers<br> software engineers<br> estudantes que querem sair do básico</p> <p>Full article:<br> <a href="https://www.nexucodeplay.com/blog/docker-explicado-do-jeito-certo-containers-imagens-e-deploy-moderno" rel="noopener noreferrer">"ARTIGO AQUI"</a></p> <h1> docker #java #springboot #devops #backend #microservices </h1> docker devops container Anderson dos Santos Andrade Fri, 08 May 2026 18:50:28 +0000 https://dev.to/nexu_codeplay_5f043180d9/jwt-virou-padrao-em-apis-modernas-3olf https://dev.to/nexu_codeplay_5f043180d9/jwt-virou-padrao-em-apis-modernas-3olf <p>Mas muita aplicação ainda implementa JWT do jeito errado.</p> <p>Sem refresh token.<br> Token eterno.<br> localStorage inseguro.<br> Sem revogação.</p> <p>No novo artigo do NexuCodePlay mostrei o fluxo profissional usando Spring Boot, React e Spring Security.</p> <p>Autenticação não é detalhe.<br> É fundação do sistema.</p> <p>Quem trabalha com backend Java precisa dominar isso direito.</p> <p><a href="https://www.nexucodeplay.com/blog/jwt-explicado-do-jeito-certo-autenticacao-moderna-com-spring-boot-react-e-apis-seguras" rel="noopener noreferrer">“artigo completo no NexuCodePlay”</a></p> jwt java microservices springsecurity