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Many people who are aspiring to become security engineers and want to improve their skills through CTFs may have become interested in Hack the Box (HTB) with this in mind. However, when you actually look at the official website, you'll see a wide variety of services (Labs, Academy, CTF, Business, etc.) lined up...

Recently, no-code AI tools like "Readdy" have been attracting attention. We are now in an age where anyone can easily use AI, but have you ever thought, "I want to incorporate AI into my services" or "I want to customize it more freely"? In this article, we will introduce the following...

Have you ever wanted to actually incorporate the recently talked about image generation AI into your app? In this article, we will show you how to build a simple image generation app using Next.js (App Router), Tailwind CSS, and OpenAI's Image Generation API (DALL·E 3)...

Recently, more and more people are using OpenAI's API to create their own chatbots and business assistants. This article shows you how to build a simple and easy to customize chat UI using Next.js (App Router) and Tailwind CSS. OpenAI chat...

I was faced with this mysterious phenomenon where an app I deployed on Coolify automatically ends up exiting at a certain time every day. At first I thought, "Is it stopped because I haven't set up a Health check?" and looked around the settings, but I couldn't find any particular cause...

"I tried creating a bulletin board app that can use HTML tags!" What if a work by a beginner engineer would be "taken over" with just one line post? This time, we will be using an example of "Cross-site Scripting (XSS)," which is the basics of security, to see how vulnerable they are...

From 2024 to 2025, the development of AI-powered apps and services has become increasingly popular. Large-scale language model (LLM) **, represented by ChatGPT and Claude, goes beyond just chatbots to create a variety of different languages, including code generation, summarization, search, and document processing.

"The time has come for AI to create websites" -- such words are no longer special. Among them, I found Readdy, an AI service that automatically creates cool web pages by simply entering the prompt (natural language).

"The era where we can create apps with AI" has become commonplace now. Among them, I found **YouWare**, a service that allows you to automatically generate web apps and sites by simply entering a prompt (natural language). Introducing YouWare...

I was thinking of creating an AR app with WebXR, but the current situation is that iOS does not officially support WebXR. So, I used Variant Launch, which was also featured in the official React Three XR, to support WebXR AR on iOS as well. Does it work on iOS?WebXR fo...