Kuya Egg

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About Rafael Miguel

Rafael Louie Miguel, also known as Kuya Egg, is an AWS Certified Cloud Practitioner and Certified Solutions Architect Associate. An intern at Tutorials Dojo. He serves as the Director of Technology at AWS Cloud Club PUP, the first AWS Cloud Club in the Philippines. He is an undergraduate at the Polytechnic University of the Philippines currently pursuing a Bachelor’s degree in Information Technology.

Data Access Layer: The Database Peace Treaty

2025-10-25T07:26:07+00:00

What is the Data Access Layer (DAL)? The Data Access Layer (DAL) is more than just code; it's an architectural agreement that brings peace and stability to your application. By strictly separating your business logic from the messy details of data storage. DAL delivers huge benefits in two critical areas: Security and Portability.The DAL is an essential layer of code that acts as a secure and centralized abstraction between your business logic (what the application does) and your database (where the data lives). In short, the DAL handles the "how" of data persistence. Instead of writing raw SQL inside a [...]

Data Access Layer: The Database Peace Treaty2025-10-25T07:26:07+00:00

Achieve AWS Mastery with LocalStack

2025-10-01T13:57:23+00:00

Imagine if there is a way to learn AWS without ever needing an internet connection, learn to test your infrastructure locally, run AWS services on your machine? Well, there's this thing called LocalStack in which allows you to run AWS in your machine. You can test out different services, learn how to connect each of it, test out how they can work together, and maybe testing out an application that uses a specific service that you cannot test locally. In this blog, I will guide you through on how to set it up and the things that you can do [...]

Achieve AWS Mastery with LocalStack2025-10-01T13:57:23+00:00

Zero-Infrastructure Vector Search with Amazon S3 Vectors

2025-08-22T14:27:33+00:00

  The world of generative AI is evolving at a rapid pace and one of the most powerful and practical applications is Retrieval-Augmented Generation (RAG). RAG enhances Large Language Models (LLMs) by giving them access to external, up-to-date knowledge bases. This allows them to generate more accurate and context-aware responses. Traditionally, building a RAG system required setting up and managing a separate vector database that adds complexity, cost, and a new layer of infrastructure to maintain however with the introduction of Amazon S3 Vector Buckets a new paradigm has emerged: zero-infrastructure vector search. What is Zero-Infrastructure Vector Search? Amazon S3 [...]

Zero-Infrastructure Vector Search with Amazon S3 Vectors2025-08-22T14:27:33+00:00

Amazon Kiro AI IDE: Spec-Driven Development

2025-07-16T11:04:46+00:00

The world of coding is rapidly evolving with AI. We've seen the rise of vibe coding through chat applications, AI-powered IDEs, and integrated terminals like Amazon Q. Now, a new chapter begins with a smarter, more organized approach: Spec-Development. This innovative methodology comes to life through Amazon Kiro, Amazon's cutting-edge AI IDE built to deliver applications that are genuinely ready for production. Quick Recap of What is Vibe Coding?  Vibe coding is an AI-assisted software development approach where you use natural language. prompts to tell an AI what you want and the AI generates the code.  Intuitive and Conversational: You [...]

Amazon Kiro AI IDE: Spec-Driven Development2025-07-16T11:04:46+00:00

Renovate Your Second Home: Terminal with Amazon Q

2025-06-14T12:01:09+00:00

For many developers, the terminal is not just a tool to make you look cool but it is a sanctuary. It deserves the title "A Developer's Second Home." Here, we build what we want, everything flows freely, and productivity reigns. However, comfort doesn't mean we can't tinker and upgrade it. In this blog, we'll explore how Amazon Q can renovate our sanctuary to make life easier. We need to improve our terminal experience from simple scripting with vim or nano to navigating directories and configuring systems. Your Terminal, Reimagined: The AI Renovation Has Begun The command-line interface (CLI) has been a [...]

Renovate Your Second Home: Terminal with Amazon Q2025-06-14T12:01:09+00:00

Giving LLM Superpowers: The Magic of Model Context Protocol

2025-05-22T16:03:46+00:00

Large Language Models (LLMs) are already incredibly  powerful. They can generate human-like text, answer complex questions, and even write code. LLMs are great at creating content we can easily read and use but what if we could elevate them beyond just content creation? What if we could give them tools they could understand, use, and execute on their own? They would just need a simple description of the tools they have access to. Imagine giving your LLM superpowers, allowing it to do more by simply providing it with context about the tools you use and have. This isn't a futuristic [...]

Giving LLM Superpowers: The Magic of Model Context Protocol2025-05-22T16:03:46+00:00

Signed, Sealed, Secured: Amazon S3 Style

2025-04-11T10:08:31+00:00

Building applications requires extensive planning, ranging from UI design and data flow to database interactions. However, one of the most crucial aspects is figuring out how to allow users to save files such as images, PDFs, and videos  securely and reliably within our application. Fortunately, AWS offers a robust and scalable service for handling file storage: Amazon Simple Storage Service (S3). Nevertheless, the real challenge lies in controlling how users upload and download their files. While Amazon S3 is simple to use, it’s essential to ensure that the interactions between our application and S3 are reliable, fast, and secure. Therefore, [...]

Signed, Sealed, Secured: Amazon S3 Style2025-04-11T10:08:31+00:00

Unleashing the Full Potential of AWS Lambda with Containers

2025-03-27T09:18:35+00:00

AWS Lambda has revolutionized serverless computing by allowing developers to run code without the hassle of provisioning and managing servers. However, even though AWS Lambda functions are powerful, they still come with limitations that significantly impact scalability, dependency management, and runtime flexibility. In this guide, we will explore the following: The limitations of traditional AWS Lambda and how Lambda Containers solve these issues. AWS-provided optimized container images A step-by-step tutorial how to build Lambda Containerized Functions Let's Dive in! The Challenges of Traditional AWS Lambda & How Containers Solve Them AWS Lambda does provide a lot of incredible benefits however, [...]

Unleashing the Full Potential of AWS Lambda with Containers2025-03-27T09:18:35+00:00

SST: Effortless Full-Stack Deployment on AWS

2025-03-13T11:55:14+00:00

Thinking of other ways how to deploy your full-stack web applications to AWS? Well, there is open-source framework that we can use to deploy web applications to AWS without ever touching the AWS Console because we know how easy it is to get lost in the number of services AWS offers but no worries! If you are a developer and prefers to have their whole Infrastructure as Code (IaC), worry no more because today we will be diving into one of the best tools that you can use. SST or Serverless Stack is an open-source framework that allows you to [...]

SST: Effortless Full-Stack Deployment on AWS2025-03-13T11:55:14+00:00

Let’s Learn Firecracker MicroVM with Go Firecracker SDK!

2025-01-17T14:01:10+00:00

Wondering how AWS Lambda works under the hood? You're in the right place! To begin with, in this blog, we'll explore Firecracker, which is the revolutionary technology powering the AWS Lambda Service. More specifically, we'll delve into what Firecracker is and gain a deeper understanding of its core features. In addition to that, we'll learn about MicroVMs (Micro Virtual Machines) and uncover how they contribute to the efficiency of serverless computing. Following this, we will explore how to use the Go Firecracker SDK, breaking it down into simple, actionable steps. Step by step, we'll guide you through launching a Firecracker [...]

Let’s Learn Firecracker MicroVM with Go Firecracker SDK!2025-01-17T14:01:10+00:00

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