Posted inLinux
Linux Namespaces: The Invisible Walls Behind Every Container
Go beyond the Docker CLI. Learn how Linux Namespaces like PID, NET, and User provide the actual isolation that makes containers work.
Posted inProgramming
Mastering Svelte 5 Runes: Building Reactive Web Apps with Modern Syntax
Discover how Svelte 5 Runes revolutionize reactivity by replacing traditional stores and lifecycle hooks. Learn to implement $state, $derived, and $effect in this practical guide for modern web development.
Posted inProgramming
Beyond the SPA: Why Remix.js is My Top Choice for High-Performance Apps
Ditch the useEffect waterfalls. Discover how Remix.js uses server-side loaders, actions, and nested routing to deliver snappier web apps with better SEO and zero layout shift.
Posted inHomeLab
Visualizing HomeLab Architecture: 6 Months of Self-Hosting Excalidraw on Docker
Ditch the messy notebooks. Learn how to self-host Excalidraw on Docker to build, secure, and manage professional HomeLab network diagrams with ease.
Posted inAI
Guardrails AI in Production: Lessons from 6 Months of Validating LLM Outputs
Moving LLMs to production requires more than good prompts. After 6 months of using Guardrails AI, I share how to use Pydantic, custom validators, and re-asking to ensure 100% data integrity.
Posted inProgramming
Building a Production-Ready REST API with Spring Boot, Spring Security, JPA, and Docker
A step-by-step guide to building a secure, production-ready REST API with Spring Boot 3, Spring Security, Spring Data JPA, and Docker. Covers project setup, entity modeling, authentication configuration, Dockerization with multi-stage builds, and production monitoring with Actuator — drawn from real migration experience.
Posted inProgramming
Building a Laravel REST API with Docker: From Zero to Production in 2024
A production-tested guide to building a Laravel RESTful API with Sanctum authentication and Docker Compose deployment. Covers resource routing, token auth, Redis queues, and practical tips from six months of real-world usage.
Posted inDevOps
Mastering Prometheus Alertmanager: Routing, Grouping, Inhibition, and Smart Alert Delivery to Telegram and PagerDuty
Prometheus Alertmanager's routing, grouping, and inhibition features are what separate functional monitoring from production-grade alerting. This guide walks through configuring a structured alertmanager.yml with team-based routing, noise-reducing grouping, inhibition rules to suppress alert storms, and real integrations with Telegram and PagerDuty.
Posted inSecurity
Securing IoT Devices at Home and in Your HomeLab: VLAN Segmentation, Firmware Monitoring, and Blocking Suspicious Connections
IoT devices like smart cameras and TVs share your network by default, making them easy pivot points for attackers. This guide covers VLAN segmentation on pfSense, automated firmware monitoring with Python, and using Pi-hole plus packet capture to detect and block suspicious outbound connections before they become a real incident.
Posted inProgramming
Mastering Protocol Buffers: Schema-first API Design for Multi-language Projects
Protocol Buffers give your microservices a single source of truth for data contracts — write the schema once, generate type-safe code for Go, Python, and TypeScript automatically. This guide covers the complete workflow: defining .proto files, versioning strategies, and catching breaking changes in CI with the buf tool.