Xinwei Xiong (cubxxw) · An Open Archive of Practice and Thought

A production-minded guide to LangChain 1.x: when to call a model directly, use create_agent, or adopt LangGraph, with tested patterns for RAG and HITL.

A practical comparison of LiteLLM, Kong, APISIX, Cloudflare, and Portkey across routing, cost, security, deployment boundaries, and production checks.

A practical 2026 roadmap for solo builders: validate demand, choose a minimal stack, ship a maintainable MVP, charge early, and preserve a clear exit path.

A source-audited engineering guide to GPT Researcher: current Python APIs, Docker and MCP deployment, cost controls, benchmark limits, and production risks.

A production-focused guide to Jina after its Elastic acquisition, covering v4/v5 embeddings, reranking, Reader, DeepSearch, MCP, licensing, and deployment.

March 2025 monthly reflection - documenting learning, growth, challenges, and insights from my journey of continuous improvement and personal development.

This article is my annual review of 2024, covering my experiences and reflections on travel, product development, personal growth, etc.

Meet Xinwei Xiong (cubxxw) and his open archive of practice and thought, covering AI workflows, real projects, engineering methods, personal growth, philosophy, and life.

The world is one giant online game and Earth is an open-world map — we are all players.

This article provides detailed Kubernetes resources and learning paths, covering CNI, CRI, CSI and core technologies in cloud-native environments.

A practical LangChain 1.x guide to models, agents, middleware, memory, RAG, SQL, Ollama, and LangSmith, with runnable Python and safe migration advice.

Understand how Transformers, scaling, and RAG work—and how retrieval, citations, evaluation, security, and production rollout make LLM systems reliable.

Explore a range of open-source tools designed to enhance your resume crafting experience.

This guide provides a comprehensive overview of troubleshooting methods and debugging techniques for OpenIM, drawing on real-world development and operational experiences.

This article explores the various facets of engaging with open source, from understanding its impact to navigating its challenges and opportunities, providing a comprehensive guide for developers and enthusiasts interested in contributing to and benefiting

A 2024 SoraEase prompt archive, updated after Sora’s shutdown, with a verified timeline and practical migration lessons for developers leaving the Videos API.

In 2023, my journey took me to the edges of the world, where I discovered not just new landscapes, but deeper insights into myself.

A dated, evidence-based review of Sora, from its 2024 research preview and Sora 2 to shutdown, safety limits, copyright risk, and API migration for developers.

When to run tasks in GitHub Projects versus Google Workspace, and how to two-way sync GitHub issues and pull requests with Google Sheets so technical and non-technical teams see the same project status.

Explore brain-friendly strategies for English learning, including effective tools and techniques designed to enhance language acquisition.

Dive into the world of Flow State with our comprehensive guide.

This article explores the integration of the GTD (Getting Things Done) methodology and the Quadrant Method for prioritizing tasks.

A deep dive into Go directives and code-generation tooling.

Explore the intricacies of concurrent type checking and efficient cross-platform development techniques in Go programming, illustrating best practices and advanced concepts for robust application development.

An introduction to vector databases for AI applications.

The success of an open-source project largely depends on its quality management and collaborative processes.

A 2026 reassessment of 2024 AI field notes, covering model emergence, Prefix LM, LoRA, QLoRA, agents, and the engineering required for reliable RAG today.

My 2023 journey: A reflection on personal and professional growth, challenges faced, and aspirations for the future.

Explore the practice of GitOps in Kubernetes, with a detailed analysis of implementing Canary and Blue-Green deployment strategies using Argo Rollouts.

This post guides you through the process of deploying OpenIM using Docker, setting up the management backend, and monitoring the application.

hugo advanced tutorial

Explore the power of Kustomize, an open-source configuration management tool for Kubernetes.

Discover how to set up a robust image repository using Harbor, a powerful open-source container image registry.

Automated testing practices and strategies for GitHub open source Go projects in the cloud native field

In-depth exploration of CNI (Container Network Interface), CRI (Container Runtime Interface), and CSI (Container Storage Interface) in Kubernetes.

kubelet architecture, kubelet core processes for Pod management, kubelet node management, Pod management

Explore how Kubernetes scheduler component works, how it decides which node to place containers on, and its importance for cluster management and container orchestration.

Each request to the Kubernetes API will go through multi-stage access control before it is accepted, including authentication, authorization and admission control (Admission Control), etc.

Explore the inner workings and components of Kubernetes Etcd in-depth, understanding its role and significance in the Kubernetes ecosystem.

Centralize Kubernetes port settings in config files while preserving argument overrides, environment variables, deployment flexibility, and compatibility.

Reflect on the commercialization of open source software and share insights from attending the Global Traffic Conference (GTC), focusing on key takeaways and learnings.

This article mainly introduces the clustering design of OpenIM, including infrastructure design, CI/CD, containerization, microservice optimization, monitoring and alarm, security, etc.

Master the art of asking questions in open source communities, including how to ask good questions, etiquette, and best practices.

Learn open source contribution guidelines, GitHub workflow, and best practices for participating in open source communities.

Cross-building multi-arch Docker images with buildx and QEMU: adjusting base images and dependency URLs per target architecture, why complex builds still need real ARM hardware, and how to verify with buildx imagetools inspect.

Build custom GitHub Actions with Docker or composite steps, wire up concurrency groups, GITHUB_TOKEN permissions, and dependency caching, then automate packaging, Docker image deploys, and project-board updates end to end.

Explore DevOps culture and agile development in OpenIM project, covering CI/CD, automation, and team collaboration.

Learn GoReleaser v2 with a production-ready .goreleaser.yaml and GitHub Actions workflow that builds, signs, packages, and publishes Go releases automatically.

Comprehensive guide to OpenIM process management strategies, from nohup and systemd to supervisord and Kubernetes health checks.

This is my first blog, about my introduction