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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 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.

BackendDevOpsGo

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.

API DesignDefault ParametersGo

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.

Design PatternsGoStruct 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

Ray's Galactic Tech

Feb 1, 2026 · Fundamentals

Why TCP, HTTP, and RPC Aren’t Competing – They’re Successive Abstractions

The article explains how network protocols have evolved from raw TCP sockets to standardized HTTP and finally to RPC frameworks, showing that each step is an abstraction upgrade rather than a replacement, and clarifies when to use HTTP versus RPC based on system boundaries and engineering trade‑offs.

Backend DevelopmentRPCTCP

0 likes · 8 min read

Why TCP, HTTP, and RPC Aren’t Competing – They’re Successive Abstractions

Ray's Galactic Tech

Jan 31, 2026 · Databases

Master Elasticsearch Performance: Practical Production‑Level Optimization Guide

This guide presents a production‑grade, step‑by‑step approach to boost Elasticsearch performance, covering advanced index design, mapping best practices, query and aggregation tuning, JVM and cluster settings, bulk write optimization, monitoring, and real‑world log‑system scenarios with concrete code examples and configuration snippets.

JVMOptimizationmonitoring

0 likes · 9 min read

Master Elasticsearch Performance: Practical Production‑Level Optimization Guide