Flashcards

A simple web application written in Angular and Java

Overview

Flashcards is an application for creating and solving flashcards. It has a responsive user interface and a connection to a PostgreSQL database and RabbitMQ.

Technologies

• Angular
• Java
• WebFlux
• RabbitMQ
• PostgreSQL
• Liquibase
• Docker

Services

• mail

  It's a service written in Java and Spring Framework. It listens for messages sent by the service to the queue and sends an activation email if the user has registered correctly.

• db

  This is the service where changelogs for the Liquibase tool are stored.

• service

  This is the main application written in Java and Spring Framework. It uses the Spring Webflux reactive programming library.

• auth

  This is a service that deals with user authorization and registration, after correct registration sends a message to the queue to send an email through the mail service

Getting Started

1. Run PostgreSQL and RabbitMQ by docker-compose up command in docker directory
2. Run db by gradle :db:update
3. Run gateway by gradle :gateway:bootRun
4. Run auth by gradle :auth:bootRun
5. Run service by gradle :service:bootRun
6. Run mail by gradle :mail:bootRun
7. Run Angular client by ng serve in client dir
8. Go to localhost:4200/

Database

The project uses a PostgreSQL database, which is managed by Liquibase. Liquibase is used to manage database migrations and write code in multiple formats, which is then converted to SQL. In this project, I use XML notation.

Entity Relationship Diagram (ERD)