EZPing ·

A real-time, scalable chat app that utilizes distributed systems design, distributed NoSQL database and message broker to improve chatting experience (just like its name).

📚 Table of contents

• Technical stack
  • Frontend
  • Backend
• Features
• Installation
• Notes
• Todo
• How to contribute
• Acknowledgements
• Author
• License

🛠 Technical stack

📙 Frontend

• Programming language(s): HTML, CSS, JavaScript

⚙ Backend

• Programming language(s): Java
• App framework: Spring
• Database: Cassandra
• Distributed in-memory database: Redis
• Query languange: MySQL
• Message broker: RabbitMQ
• Distributed memory caching: Memcached
• HTTP Load Balancing: NGINX

🚀 Features

• Create a new account with admin role
• Join a chatroom as any role
• Send public messages to joined chat rooms
• Send private messages to other users
• See active users in any chat room
• Receive messages from other users when going from offline to online
• Internalization supported with 6 languages: English, Chinese, German, Spanish, Japanese, Portuguese.

⬇ Installation

• Download docker & docker-compose: Docker.
• Install maven for your OS. (Maven works best with JDK 8).
• Start the containers from docker-compose.yml with: docker-compose up -d. (Some docker-compose commands).
• Execute the jar file: java -jar target/EZPing-0.1.0.jar.

Now, the app is up at http://localhost:8080.

📋 Notes

Remember to mark EZPing directory as Source Root.

📝 Todo

• Add more UI to the sites.
• Upload project design & explaination.
• Perhaps use NGINX with Google Cloud Compute Engine? Elaborate more in this article.

👏 How to contribute

🎉 Acknowledgements

👨‍💻 Author

• Dung Tuan Le
  Computer Science major.
  University of Rochester '21.

📄 License

EZPing is MIT licensed.