Lei's personal blog featuring AI Agent trends and development, Golang, frontend with SolidJS, Kubernetes operations, Emacs, functional programming with Clojure, entrepreneurship, B2B application development, fintech, and reflections on Silicon Valley engineering culture vs Chinese teams. https://blog.leiw.ai/ 2026-03-20T00:00:00.000Z Lei Astro https://blog.leiw.ai/blog/2026-03-20-two-years-with-ai/ 2026-03-20T00:00:00.000Z 2026-03-20T00:00:00.000Z

A personal journey through the AI stack: from coding assistants to embeddings, RAG, agents, and multi-agent platforms.

Lei Wang https://blog.leiw.ai/blog/2026-01-31-flux-quick-start-infra-owned-registry/ 2026-01-31T00:00:00.000Z 2026-01-31T00:00:00.000Z

A practical guide to deploying applications with Flux using a shared installation and infra-owned app registry pattern, keeping app repos clean while enabling predictable GitOps workflows.

Lei Wang https://blog.leiw.ai/blog/2026-01-24-swtich-from-solidjs-to-react-in-gen-ai-era/ 2026-01-24T00:00:00.000Z 2026-01-24T00:00:00.000Z

Reflections on framework choice, AI‑generated code, and why React regained the edge over SolidJS.

Lei Wang https://blog.leiw.ai/blog/deploying-zot-registry/ 2026-01-22T00:00:00.000Z 2026-01-22T00:00:00.000Z

A practical guide to deploying the Zot OCI registry with Nginx, systemd, and basic auth.

Lei Wang https://blog.leiw.ai/blog/2026-01-22-remove-from-git/ 2026-01-22T00:00:00.000Z 2026-01-22T00:00:00.000Z

A practical guide to stopping Git from tracking files, keeping local copies, and safely removing sensitive files from repository history.

Lei https://blog.leiw.ai/blog/2025-12-08-python-package-structure/ 2025-12-08T00:00:00.000Z 2025-12-08T00:00:00.000Z

A concise guide to building a clean, modern Python project using pyproject.toml, uv, scripts, and FastAPI.

Lei https://blog.leiw.ai/blog/2025-11-06-manage-gpg-keys-and-yubikey-setup/ 2025-11-05T00:00:00.000Z 2025-11-05T00:00:00.000Z

A practical guide to managing multiple GPG private keys — exporting, importing, backing up, and securely storing them on a YubiKey for signing, encryption, and SSH authentication.

Lei https://blog.leiw.ai/blog/2025-09-04-inside-mcp-4-first-mcp/ 2025-09-04T00:00:00.000Z 2025-09-04T00:00:00.000Z

A step-by-step guide for developers to build and test MCP servers that connect agents with real systems.

Lei Wang https://blog.leiw.ai/blog/2025-09-03-inside-mcp-3-workflows/ 2025-09-03T00:00:00.000Z 2025-09-03T00:00:00.000Z

How agents use MCP to power real-world workflows, from enterprise use cases to event-driven systems and multi-step orchestration.

Lei Wang https://blog.leiw.ai/blog/2025-09-02-inside-mcp-2-connect-agent/ 2025-09-02T00:00:00.000Z 2025-09-02T00:00:00.000Z

A look at how the Model Context Protocol (MCP) bridges agents with databases, SaaS applications, and legacy systems.

Lei Wang https://blog.leiw.ai/blog/2025-09-01-inside-mcp-1-intro/ 2025-09-01T00:00:00.000Z 2025-09-01T00:00:00.000Z

An introduction to the Model Context Protocol (MCP) and how it enables AI agents to connect with real systems, data, and workflows.

Lei Wang https://blog.leiw.ai/blog/2025-08-31-opensource-library-golang/ 2025-08-31T00:00:00.000Z 2025-08-31T00:00:00.000Z

Best practices for balancing configuration, environment variables, and functional options when building open-source Go libraries.

Lei Wang https://blog.leiw.ai/blog/2025-08-22-go-pkg-flat/ 2025-08-22T00:00:00.000Z 2025-08-22T00:00:00.000Z

An introduction to common Go project structures and a personal improvement: using flattened module directories under pkg to avoid excessive subfolders and duplicate package names.

Lei https://blog.leiw.ai/blog/2021-08-09-postgres/ 2021-08-09T00:00:00.000Z 2021-08-09T00:00:00.000Z

A comprehensive guide to PostgreSQL database administration, configuration, and common operations

Lei Wang https://blog.leiw.ai/blog/2021-08-08-aws/ 2021-08-08T00:00:00.000Z 2021-08-08T00:00:00.000Z

A comprehensive guide to AWS concepts, services, and best practices

Lei Wang https://blog.leiw.ai/blog/2021-08-08-emacs/ 2021-08-08T00:00:00.000Z 2021-08-08T00:00:00.000Z

A comprehensive guide to Emacs configuration, features, and common solutions to problems

Lei Wang https://blog.leiw.ai/blog/2021-08-08-docker/ 2021-08-08T00:00:00.000Z 2021-08-08T00:00:00.000Z

Docker Reference Guide: Tips, Configurations, and Best Practices

Lei Wang https://blog.leiw.ai/blog/2019-09-10-aws-static-website-https-s3-cloudfront/ 2019-09-10T00:00:00.000Z 2019-09-10T00:00:00.000Z

Building a Secure Static Website with S3, CloudFront, and Route 53

Lei Wang https://blog.leiw.ai/blog/2019-01-10-aws-vpc-private-hosted-zones/ 2019-01-10T00:00:00.000Z 2019-01-10T00:00:00.000Z

Configuring Private DNS with Route 53 Private Hosted Zones in AWS VPC

Lei Wang https://blog.leiw.ai/blog/2018-12-15-aws-eks-setup-management/ 2018-12-15T00:00:00.000Z 2018-12-15T00:00:00.000Z

Amazon EKS: Setting Up and Managing Kubernetes on AWS

Lei Wang https://blog.leiw.ai/blog/2018-10-15-aws-ec2-docker-ntp-configuration/ 2018-10-15T00:00:00.000Z 2018-10-15T00:00:00.000Z

Configuring Time Synchronization for EC2 Docker Clusters

Lei Wang https://blog.leiw.ai/blog/2018-10-03-nginx-quickstart/ 2018-10-03T00:00:00.000Z 2018-10-03T00:00:00.000Z

Nginx quickstart

Lei https://blog.leiw.ai/blog/2018-09-04-aws-s3-cors-configuration/ 2018-09-04T00:00:00.000Z 2018-09-04T00:00:00.000Z

Configuring Cross-Origin Resource Sharing (CORS) for Amazon S3 Buckets

Lei Wang https://blog.leiw.ai/blog/2018-05-24-ssh-tunnel/ 2018-05-24T00:00:00.000Z 2018-05-24T00:00:00.000Z

Guide to SSH tunnels including local, remote, and dynamic port forwarding, plus server and client configuration.

Lei Wang https://blog.leiw.ai/blog/2017-09-27-ssh/ 2017-09-27T00:00:00.000Z 2017-09-27T00:00:00.000Z

SSH Escape Sequences: How to Terminate and Control SSH Sessions

Lei Wang https://blog.leiw.ai/blog/2017-09-27-aws-iam-policy-for-s3/ 2017-09-27T00:00:00.000Z 2017-09-27T00:00:00.000Z

Writing IAM Policies: How to Grant Access to an Amazon S3 Bucket

Lei Wang https://blog.leiw.ai/blog/2017-09-27-networking-tools/ 2017-09-27T00:00:00.000Z 2017-09-27T00:00:00.000Z

Essential Networking Command-Line Tools Reference

Lei Wang https://blog.leiw.ai/blog/2017-09-27-aws-ecscli/ 2017-09-27T00:00:00.000Z 2017-09-27T00:00:00.000Z

Getting Started with AWS ECS CLI: Installation and Configuration

Lei Wang https://blog.leiw.ai/blog/2017-09-04-ecs/ 2017-09-04T00:00:00.000Z 2017-09-04T00:00:00.000Z

AWS ECS Guide: Policies, Load Balancing, and Troubleshooting

Lei Wang https://blog.leiw.ai/blog/2017-09-04-aws-ecs-notes/ 2017-09-04T00:00:00.000Z 2017-09-04T00:00:00.000Z

AWS ECS: Essential IAM Policies and Configuration Notes

Lei Wang https://blog.leiw.ai/blog/2017-09-02-subshell-commands/ 2017-09-02T00:00:00.000Z 2017-09-02T00:00:00.000Z

Two ways of running command in subshell

Lei