블로그 방향 정리: 기존 글은 남기고 한국어 글을 늘리기
블로그를 다시 정리한다. 방향은 단순하다. 기존 영어 글은 남기고, 앞으로의 기준 언어는 한국어로 바꾼다. 새 글은 카테고리를 나눠서 조금 더 찾기 쉽게 관리하려고 한다. 왜 바꾸는가 AI 이후 개발자의 정보 환경은 완전히 달라졌다. 새로운 모델, 에이전트 프레임워크, MCP 서버, RAG 도구, 개발자 자동화 도구가 매일 나온다. 문제는 정보의 ...
Hoonapps
Implementing Firebase RTDB Streaming with REST API on ESP32
Introduction In this guide, we will learn how to connect to Firebase Realtime Database (RTDB) streaming using the REST API and also how to perform PUT operations with an ESP32. Step: 1. Set U...
Comparing Round Robin and Least Connections in Nginx Load Balancing
Introduction In this blog, we explore the differences between Round Robin and Least Connections load balancing algorithms using a test setup with Nginx, Nest.js, and monitoring via ELK Stack (Elas...
[Nestjs] Setting Up a NestJS Monorepo with Docker
Introduction In this post, I will introduce how to set up a monorepo in NestJS and configure it with Docker for real-time development. Let’s begin! What is Monorepo? A Monorepo (short for “m...
What are Generics?
Introduction In this post, I will dive deeper into generics and explore them further. Let’s begin! What is generics Generics are a powerful feature in TypeScript that allows you to define reu...
Why 'localhost' Fails in Docker: Exploring Bridge Networks and Solutions
Introduction In this post, we will discuss an issue related to connecting an application container and a PostgreSQL container via TypeORM using docker-compose. Specifically, the connection fails w...
[NestJS + NextJS] Building Real-Time Collaboration with WebSocket
Hi there! In this post, I’ll walk you through the process of building a simple real-time Markdown editor. This project leverages NestJS for WebSocket integration and NextJS with markdown-it for Ma...
[NestJS] Publishing a Custom Class Validator as an NPM Package
In this post, I will share the process of creating and publishing a custom class validator as an NPM package for validating user data in various projects, particularly in Korean contexts like user ...
Build Your Own Blog with GitHub Pages and Chirpy: A Step-by-Step Guide
Build Your Own Blog with GitHub Pages and Chirpy Creating your own blog can feel like a daunting task, especially if you’re new to web development or hosting. But what if I told you that you can s...
Starting My Development Blog
Hello, Starting My Development Blog! Hello! My name is YangHoon Kim, and I’m from South Korea. 😊 I’m a 5-year backend engineer working with NestJS and .NET frameworks. Currently, I’m at the cross...