Dự án & Nghiên cứu tình huống
Dự án thực tế: microservice cổng thanh toán, ứng dụng full-stack, backend Django, hệ thống RAG và hơn thế nữa.
J.P. Morgan Personal Investing — Back-End Engineer Mock Interview Pack
Format: 60-minute pair programming on HackerRank IDE, 1–2 business-logic problems, Java/Kotlin preferred. > Team context: Stock-market broker (Personal Investing platform). > Goal: Translate spoken business rules into cl
Đọc bài viết →Payment Gateway - Q&A
What it is: ArgumentCaptor is a Mockito utility that captures the actual argument passed to a mocked method during execution, so you can inspect it afterwards.
Đọc bài viết →Payment Gateway Challenge
This project is a Spring Boot application that implements a simple payment gateway based on the requirements from the challenge
Đọc bài viết →How to fulfill everything described in README.md
This document maps each commitment in the project README.md to concrete actions and suggested code. The upstream interview template is payment-gateway-challenge-java; it also states not to change imposters/ or .editorcon
Đọc bài viết →Microservices Teaching Guide — Payment Gateway
A complete, hands-on course for refactoring a Spring Boot monolith into a production-grade microservices system, and deploying it to AWS. > > Source monolith: ../payment-gateway-challenge-java > Target system: this folde
Đọc bài viết →Payment Gateway — Microservices Edition
A microservices reimagining of the payment-gateway-challenge-java Spring Boot monolith.
Đọc bài viết →Architecture Decision Records (ADRs)
ADRs document why we made a decision, not just what we did. We use the Michael Nygard format. Each ADR has a status: Proposed, Accepted, Superseded.
Đọc bài viết →AWS Deployment — Step by Step
Companion to ../MICROSERVICES_TEACHING_GUIDE.md §15. > > Goal: take the eight microservices in this repository from docker compose up to a production-grade deployment on AWS using ECS Fargate, RDS, MSK, ElastiCache, ALB,
Đọc bài viết →CI/CD with GitHub Actions
Companion to ../MICROSERVICES_TEACHING_GUIDE.md §16.
Đọc bài viết →Observability
Companion to ../MICROSERVICES_TEACHING_GUIDE.md §12. > > Distributed systems are only as good as your ability to understand them. This document covers logs, metrics, traces, dashboards, and alerts.
Đọc bài viết →Terraform — Payment Gateway Microservices on AWS
Reference IaC for the AWS deployment described in > ../../docs/02-aws-deployment.md. > > Status: skeleton. It compiles (terraform validate) and demonstrates the > module structure. Before applying it to a real AWS accoun
Đọc bài viết →Payment Gateway - Design Documentation
This project implements a Payment Gateway API that allows merchants to process card payments and retrieve payment details. The gateway validates incoming payment requests, forwards valid payments to an acquiring bank sim
Đọc bài viết →Florence Hotel Website (Flask)
This project is a Flask implementation of the Florence hotel frontend based on florence_hote.html.
Đọc bài viết →Run and deploy your AI Studio app
This contains everything you need to run your app locally.
Đọc bài viết →Deploy PawMatch to AWS EC2 (Ubuntu)
This guide covers syncing the Next.js frontend and Flask backend to an EC2 instance, running them under systemd, and using nginx (with existing Let’s Encrypt certs) so HTTPS on port 443 serves the site while the app list
Đọc bài viết →PawMatch Backend API
A Flask-based backend API for the PawMatch cat matching and health analysis platform.
Đọc bài viết →fp_fixed — README
This is a Next.js project bootstrapped with create-next-app.
Đọc bài viết →Password CRUD Demo Application
A demonstration web application for password CRUD operations with plain text storage (demo purposes only).
Đọc bài viết →Software Requirements Specification (SRS)
Product: Password CRUD (Next.js + Express.js + Prisma + SQLite) – Plain Password Demo Version: 1.1 Date: 29-Aug-2025 Author: ChatGPT (“Cathy”)
Đọc bài viết →Android Development Exercises
Remember: The best way to learn Android development is by building apps. Use these exercises as stepping stones to create your own projects!
Đọc bài viết →Android App Development with Kotlin - Learning Guide
Explanation: lateinit var: Declares a variable that will be initialized later (common in Android) var: Mutable variable (can be changed) val: Immutable variable (cannot be changed after initialization)
Đọc bài viết →Android Development Learning Path
Week 1 Deliverables: Working Android Studio setup Basic Kotlin knowledge Understanding of Android project structure First modifications to the Blackjack app
Đọc bài viết →Blackjack (21) Overview
Blackjack (21) Overview Blackjack, also known as 21, is a popular card game often played in casinos. The goal is to have a hand value close to 21 without going over.
Đọc bài viết →Kotlin Syntax Quick Reference
This quick reference covers the most important Kotlin concepts you'll encounter in Android development. Practice these patterns and you'll be well on your way to becoming proficient in Kotlin!
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