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Ray's Galactic Tech

Practice together, never alone. We cover programming languages, development tools, learning methods, and pitfall notes. We simplify complex topics, guiding you from beginner to advanced. Weekly practical content—let's grow together!

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Latest from Ray's Galactic Tech

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Ray's Galactic Tech

Mar 26, 2026 · Artificial Intelligence

Building a Production‑Ready Enterprise AI Q&A Platform with AgentScope Java and DashScope

This comprehensive guide walks Java developers through designing, architecting, and implementing a scalable, secure, and observable enterprise AI question‑answering system that combines LLM calls, RAG retrieval, multi‑agent orchestration, memory management, tool integration, and high‑concurrency engineering best practices.

AIAgentScopeEnterprise

0 likes · 36 min read

Building a Production‑Ready Enterprise AI Q&A Platform with AgentScope Java and DashScope

Ray's Galactic Tech

Mar 25, 2026 · Backend Development

Mastering Ristretto: High‑Performance Go Cache from Theory to Production

This guide provides an in‑depth, architect‑level walkthrough of Ristretto, the high‑throughput Go cache, covering TinyLFU fundamentals, internal components, parameter tuning, production‑grade wrappers, multi‑level cache design, monitoring, capacity planning, common pitfalls, and real‑world code examples for robust deployment.

CacheDistributedSystemsGo

0 likes · 29 min read

Mastering Ristretto: High‑Performance Go Cache from Theory to Production

Ray's Galactic Tech

Mar 24, 2026 · Cloud Native

Mastering Production-Grade Blue‑Green and Canary Deployments on Kubernetes

This comprehensive guide explains how to design, implement, and operate production‑grade blue‑green and canary releases on Kubernetes, covering traffic control, state handling, capacity planning, observability, automation scripts, code examples, and best‑practice checklists to ensure safe, scalable rollouts in high‑traffic environments.

Blue‑Green deploymentCI/CDGitOps

0 likes · 32 min read

Mastering Production-Grade Blue‑Green and Canary Deployments on Kubernetes

Ray's Galactic Tech

Mar 23, 2026 · Backend Development

Mastering Production-Ready Go Backend: Architecture, Engineering, Performance, and Quality

This article provides a comprehensive, production‑grade guide for Go backend services, covering architecture design, engineering practices, high‑concurrency performance tuning, and code‑quality strategies with concrete code snippets, configuration patterns, CI/CD pipelines, and a ready‑to‑use checklist.

GoTestingbackend

0 likes · 18 min read

Mastering Production-Ready Go Backend: Architecture, Engineering, Performance, and Quality

Ray's Galactic Tech

Mar 22, 2026 · Backend Development

Why Go Refuses Default Parameters: The ‘Deliberate Poverty’ Behind Its Design

Go has refused default parameters for 15 years, a choice rooted in its philosophy of explicitness over implicit behavior; the article examines this deliberate ‘poverty’, explores the pitfalls of default arguments, and presents alternative patterns like wrapper functions, config structs, functional options, and pointer checks with real code examples.

Default ParametersGoSoftware Engineering

0 likes · 27 min read

Why Go Refuses Default Parameters: The ‘Deliberate Poverty’ Behind Its Design

Ray's Galactic Tech

Mar 18, 2026 · Backend Development

Mastering Go Struct Design: DDD Principles, Patterns, and Real‑World Practices

This article explores how to model clean, high‑cohesion Go structs using Domain‑Driven Design, value objects, entities, services, and proven patterns like functional options, builders, specifications, and repositories, illustrated with e‑commerce and payment system examples.

Domain-Driven DesignGoStruct Design

0 likes · 21 min read

Mastering Go Struct Design: DDD Principles, Patterns, and Real‑World Practices

Ray's Galactic Tech

Mar 16, 2026 · Backend Development

Mastering Production‑Ready HTTP Microservices with Go and Kratos

This guide walks you through building a production‑grade e‑commerce order service using the Go‑based Kratos microservice framework, covering environment setup, protobuf contract definition, code generation, layered architecture, dependency injection, configuration, deployment, testing, and performance optimizations for cloud‑native backends.

DockerHTTP APIKratos

0 likes · 25 min read

Mastering Production‑Ready HTTP Microservices with Go and Kratos

Ray's Galactic Tech

Mar 14, 2026 · Cloud Native

Master Dockerizing Go Apps: From Local Development to Production‑Ready Deployment

This step‑by‑step guide shows how to containerize a Go web project, covering project layout, Dockerfile creation (including multi‑stage builds), Docker Compose orchestration, Makefile automation, CI/CD with GitHub Actions, performance tuning, security checks, and production deployment best practices.

CI/CDDockerProduction

0 likes · 34 min read

Master Dockerizing Go Apps: From Local Development to Production‑Ready Deployment

Ray's Galactic Tech

Feb 3, 2026 · Backend Development

Mastering TCC in Go Microservices: A Complete Practical Guide

This guide explains the TCC (Try‑Confirm‑Cancel) distributed transaction model for Go microservices, covering its principles, comparison with 2PC and Saga, architecture, implementation steps, code examples, real‑world e‑commerce case, failure scenarios, table design, and production‑grade best practices.

TCCdistributed transactions

0 likes · 11 min read

Mastering TCC in Go Microservices: A Complete Practical Guide

Ray's Galactic Tech

Feb 2, 2026 · Backend Development

How to Build and Operate a Unified Java Message Push Platform with Austin

This guide walks you through the purpose, core capabilities, environment setup, deployment options, channel configuration, template creation, API usage, troubleshooting, and architectural benefits of the Java‑based Austin unified message push platform for enterprise systems.

JavaMessage PushNotification Platform

0 likes · 10 min read

How to Build and Operate a Unified Java Message Push Platform with Austin