Explains how to build a Cache-Aside pattern using Spring Boot and Redis to reduce PostgreSQL read load, key considerations for AOP proxies, and failure design using error handlers.
This is a technical implementation note on avoiding exclusive locks, stateless authentication using JWT, inventory control with Redis counters, and fallback configurations during failures in a ticket reservation system facing high-volume traffic spikes.
Explains the construction of a Linux authentication log analysis pipeline, the implementation of an automated IP blocking mechanism using Fail2ban, and SSH hardening techniques.
Explains the procedure and troubleshooting for adopting the JJWT library in a Spring Security environment to implement a stateless JWT authentication filter and property management.
Explains the procedures for Kubernetes package management using Helm, and the deployment configuration of a Prometheus/Grafana observability stack using kube-prometheus-stack and custom manifests.
Explains how to identify the cause of EADDRNOTAVAIL errors occurring in Linux environments and details kernel parameter optimization methods to resolve ephemeral port exhaustion caused by sockets in the TIME_WAIT state.
This guide explains how to build an automated pipeline using GitHub Actions and SSH to eliminate human errors in manual deployment. It provides an implementation guide that balances security and maintainability.
This article explains how to build a CI/CD pipeline that integrates Naver Cloud Platform's SourceCommit, SourceBuild, SourceDeploy, and SourcePipeline to achieve automated deployment to NKS environments, covering build acceleration and approval flow design.
This article explains practical implementation approaches for configuration decoupling using ConfigMap and data persistence using PV/PVC to overcome the ephemeral nature of Kubernetes Pods.
Practical implementation records and troubleshooting regarding variable usage restrictions in Terraform S3 backend configuration and path filtering optimization in GitHub Actions.