Engineering
The craft: writing, shipping and fixing real systems.
Backend, frontend and full-stack engineering — languages, frameworks, data pipelines, debugging and performance.
Part 1 — Kubernetes Autoscaling Complete Guide (Part 1): Horizontal Pod Autoscaler
Part 1 of the Kubernetes Autoscaling series: Deep dive into Horizontal Pod Autoscaler (HPA) approaches, comparing resource-based, custom metrics, external metrics, and event-driven autoscaling with KEDA. Learn when to use each approach with real-world examples and production best practices.
Spring Boot 多環境配置完整指南：開發、測試、生產環境管理
深入探討 Spring Boot 多環境配置管理，包括資料庫切換、Redis 配置、以及 Docker 容器化部署的完整實作指南。
Part 3 — Kubernetes 完整指南（三）：進階功能與生產環境實踐
深入探討 Kubernetes 進階主題，包含自動擴展、RBAC 權限管理、Network Policy、Helm 套件管理、監控告警、日誌收集、CI/CD 整合與生產環境最佳實踐，打造企業級 K8S 平台。
Part 2 — Kubernetes 完整指南（二）：核心資源與 kubectl 實戰操作
深入探討 Kubernetes 核心資源對象，包含 Pod、Deployment、Service、Ingress、Volume 等完整操作指南，搭配大量 kubectl 指令範例與 YAML 配置，從基礎到實戰全面掌握。
Part 1 — Kubernetes 完整指南（一）：基礎概念與架構詳解
深入淺出介紹 Kubernetes 容器編排平台，涵蓋核心概念、架構設計、元件功能、與 Docker 的關係，以及完整的安裝配置教學。從零開始掌握 K8S 基礎知識。
Part 3 — Docker 完整指南（三）：進階應用與生產實踐
深入探討 Docker 進階主題，包含 Dockerfile 最佳實踐、多階段建立、Docker Compose 編排、網路進階配置、安全性強化、效能優化與生產環境部署策略。
Part 2 — Docker 完整指南（二）：指令大全與實務操作
完整的 Docker 指令參考手冊，涵蓋容器管理、映像操作、網路配置、資料卷管理等實務操作，配合大量範例與表格說明，從基礎到進階全面掌握 Docker CLI。
Part 1 — Docker 完整指南（一）：基礎概念與入門教學
全面介紹 Docker 容器技術的基礎概念，包含虛擬化原理、Docker 架構、核心元件，以及實用的安裝與配置教學。從零開始學習 Docker 容器化技術。
Docker Mount Complete Guide: Volumes, Bind Mounts, and tmpfs Comparison
Comprehensive guide to Docker mount types including volumes, bind mounts, and tmpfs. Learn the differences, use cases, pros/cons, and best practices for persisting data in Docker containers with practical examples.
AWS DynamoDB Complete Guide: Architecture, Indexing & Performance Optimization
Comprehensive guide to AWS DynamoDB covering data structures, architecture, indexing strategies, secondary indexes, sort keys, and performance optimization techniques for high-speed I/O operations.
Spring Boot 程式碼載入深度解析：從編譯到物件實例化完整流程
深入探討 Spring Boot 應用程式的程式碼載入機制，從 Java 原始碼編譯、類別載入、到 Spring Bean 物件實例化的完整流程分析。
JVM 記憶體深度解析：堆疊與堆積記憶體完整指南
深入探討 JVM 記憶體結構，包含堆疊記憶體、堆積記憶體的運作原理、配置策略及效能最佳化技巧，搭配實際程式碼範例與圖解說明。
AWS Load Balancers: Complete Guide - Application, Network, Gateway, and Classic Load Balancers Comparison with Implementation
Master AWS Load Balancers with comprehensive comparisons of ALB, NLB, GWLB, and CLB. Learn when to use each type, advanced features, health checks, auto-scaling integration, and production-ready configurations with real-world examples.
AWS API Gateway: Complete Guide with Load Balancer Comparison, Microservices Architecture, and Java Implementation
Master AWS API Gateway with comprehensive comparisons to load balancers, microservices integration patterns, and production-ready Java implementations. Learn when to use API Gateway vs Load Balancer, security best practices, and scaling strategies.
Webhooks: Complete Guide with Java Implementation - Event-Driven Architecture, Real-Time Integrations, and Best Practices
Master webhooks with comprehensive comparisons to HTTP calls and polling, real-world Java implementations, and practical examples using Stripe, Shopify, and GitHub APIs. Learn when to use webhooks, security best practices, and production-ready patterns.
Redis Sentinel: Complete High Availability Setup Guide with Java Integration and Monitoring
Master Redis Sentinel for high availability with comprehensive setup guides, mode comparisons, failover mechanisms, and production-ready Java integration. Learn monitoring, troubleshooting, and best practices for enterprise deployments.
MySQL Sharding Strategies: A Comprehensive Guide to Horizontal Scaling, Partitioning Methods, and Implementation Patterns
Master MySQL sharding strategies with detailed comparisons of horizontal partitioning, range-based sharding, hash-based sharding, and directory-based approaches. Learn implementation patterns, pros/cons, and real-world use cases for scaling databases.
Essential Design Patterns in Java: A Comprehensive Guide to Creational, Structural, and Behavioral Patterns
Master essential design patterns in Java with practical implementations. Learn Singleton, Factory, Builder, Observer, Strategy, Decorator, and more patterns with real-world examples, best practices, and performance considerations.
🛍️ Building a Modern E-commerce Shopping Cart with Spring Boot & Stripe Payment Integration
A complete e-commerce shopping cart system built with Spring Boot backend and Vue.js frontend, featuring Stripe payment integration, JWT authentication, and full CRUD operations for products, categories, and cart management.
Java Learning Journey: Fundamentals to Advanced
Complete exploration of Java programming concepts through practical examples, covering core language features, object-oriented principles, design patterns, modern frameworks, and advanced topics like reactive programming and microservices.
Building Real-Time Chat Room with Spring Boot WebSocket
Comprehensive guide to building a scalable, real-time chat room application using Spring Boot WebSocket, STOMP protocol, and Redis clustering for enterprise-grade messaging solutions.
Building NYC Taxi Data Pipeline with Spark and Kafka
Complete guide to building a production-ready data engineering pipeline for processing NYC taxi trip records using Apache Spark, Kafka streaming, Hadoop ecosystem, and AWS cloud infrastructure.
Building Employee Management System with Spring Boot and Vue.js
Comprehensive guide to building a modern employee management system using Spring Boot microservices architecture and Vue.js frontend, designed for enterprise scalability and extensibility.
SpringDataPlatform: Apache Flink Management System
深度介紹 SpringDataPlatform 專案：一個基於 Spring Boot + Vue.js 的企業級 Apache Flink 任務管理平台，支援多種任務提交方式、即時監控和互動式數據處理。
Building a Spotify Playlist Application with Spring Boot and Vue.js
使用 Spring Boot 後端與 Vue.js 前端，整合 Spotify API 打造智能音樂推薦系統，突破 Spotify 原生推薦限制，提供更主動的音樂探索體驗。