A personal developer handbook that documents practical setup guides, best practices, and reusable knowledge collected from real-world experience.
This repository is intended to be:
- Simple
- Practical
- Copy-paste friendly
- Beginner-friendly but production-ready
- Simple steps to config a new VPS
- How to Setup PostgreSQL on a VPS
- Fix Docker not connecting to PostgreSQL on VPS
- How to Setup Caddy Reverse Proxy on a VPS
- How to Setup Automated Maintenance Page with Caddy
- Tối ưu hiệu suất VPS: Swap, PostgreSQL & DB Pool
- VPS Quick Check — Kiểm Tra Nhanh Thông Số VPS
- Kết nối Database qua SSH Tunnel (Local Dev) & Localhost (Production)
- Clone PostgreSQL Database từ VPS về Local (Windows)
- Hướng dẫn Cài đặt Email bằng Brevo API (Thay thế SMTP)
- Cấu hình Google OAuth với Domain mới
- DBeaver Tips and Tricks
- Git Rollback & Safe VPS Update Guide
- Bypass SSL Pinning & Debug Android App
- Hướng dẫn cấu hình API Key và Webhook SePay
- Kiểm tra & Xóa Cache OG Image trên các Nền tảng Mạng xã hội
- Hướng Dẫn Cấu Hình Vertex AI Để Sử Dụng Gemini API
- Hướng dẫn sửa lỗi kết nối Claude Code trên Windows (ECONNREFUSED & Bun Crash)
(More guides will be added over time.)
The goal of this repository is to:
- Avoid repeating the same setup mistakes
- Document proven workflows
- Serve as a quick reference when setting up new environments
- Share clean and minimal guides with others
All documents are written with clarity > complexity in mind.
Depending on the document, this handbook may include:
- Linux server setup & hardening
- SSH & firewall configuration
- Docker & deployment notes
- Backend development notes
- General developer best practices
This handbook reflects personal experience and preferences.
Always adapt configurations to your own security requirements and infrastructure.
This repository is shared for learning and reference purposes. Feel free to fork or reuse the content with attribution.