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Latest Articles

Discover the latest insights, tutorials, and stories from our tech blog covering programming, web development, and emerging technologies.

What are Microservices? Do You Really Need Them?
3 min read

What are Microservices? Do You Really Need Them?

Learn about microservices architecture: components, pros and cons, and when to apply it to your project.

#devops #microservices #cloud computing
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RC-Blogs
Building a Self-Hosted Dynamic DNS Server with Fastify and dns2
10 min read

Building a Self-Hosted Dynamic DNS Server with Fastify and dns2

Learn how to create a self-hosted Dynamic DNS (DDNS) server using Fastify and dns2, perfect for homelabs and small networks.

#devops #homelab
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RC-Blogs
Hono – Ultralight JavaScript Framework for Modern Web APIs
5 min read

Hono – Ultralight JavaScript Framework for Modern Web APIs

Explore Hono (12kB) - an ultrafast framework for Edge Computing and Serverless, compared with Express, Fastify, and Bun.

#javascript #framework #web development
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RC-Blogs
Build Your Homelab from Scratch: Ideation & Preparation (Part 1)
3 min read

Build Your Homelab from Scratch: Ideation & Preparation (Part 1)

A detailed guide to building a HomeLab for beginners, from ideation, hardware selection, and operating system choice to essential software.

#homelab #guide #setup
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RC-Blogs
7 Design Patterns Every Developer Should Know
3 min read

7 Design Patterns Every Developer Should Know

Explore 7 essential design patterns: Singleton, Builder, Factory, Facade, Adapter, Strategy, and Observer with examples and real-world applications.

#design patterns #software engineering #architecture
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RC-Blogs
10 New Git Commands You Should Know
7 min read

10 New Git Commands You Should Know

Discover 10 new Git commands to optimize your workflow, boost productivity with practical examples and tips for developers.

#git #devops #git-commands
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👨‍💻 Meet the Developer

About Me

Do Kim Dang Khoa - Full-stack Developer
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Do Kim Dang Khoa

Full-stack Developer AWS Serverless AI Productivity

Hello! I'm Khoa, an experienced Software Engineer with strong expertise in Node.js and React.js, and solid knowledge of AWS serverless services. I'm passionate about building scalable systems and solving real-world problems.

I specialize in designing cost-optimized serverless architectures and leveraging AI-powered tools to accelerate development by 30–50%. I focus on building reliable, maintainable systems with a forward-thinking approach.

Technologies I work with:

Node.js React.js TypeScript AWS Lambda Serverless AI Tools
4+
Years Experience
10+
Projects Completed
50%
AI Productivity Boost
Learn more about me