Chat Application

This is a simple chat application which is implemented in Spring Boot Reactive, Nest.JS and Fiber(I'm adding) Frameworks with the support of WebSocket library. This application provides real-time messaging capabilities and uses monitoring tools like Grafana and Prometheus to monitor the application's performance.

• In the below image there is a general architecture including servers, message brokers, databases, load balancers, gate services and monitoring tools

Non-functional requirements:

• Scalability: the application should be able to handle multiple simultaneous users and messages without slowing down.
• Security: the application should ensure the confidentiality, integrity, and availability of messages and user data.
• Reliability: the application should be available and responsive at all times, with minimal downtime or errors.
• Performance: the application should be fast and responsive, with low latency and high throughput.
• Responsive: Customer shouldn't wait for the whole data too much time
• Resilient: One failure of a server shouldn't break down whole system
• Message Driven: The application should be loosely coupled and should rely on asynchronous message passing

Functional requirements:

• User registration and authentication: users should be able to create an account and log in securely.
• Chatroom creation and management: users should be able to create and join chatrooms, as well as manage their own chatrooms.
• Real-time messaging: users should be able to send and receive messages in real-time, with support for multimedia content such as images and files.
• Message history: users should be able to view and search for past messages in chatrooms.
• Notifications: users should be notified of new messages and other relevant events.
• Status: messages should have statuses like Read/Receipt/Typing/Seen/Sent to inform users more friendly

Features

• Real-time messaging using WebSockets
• Monitoring of application metrics using Prometheus and Grafana
• Logging using Logstash, Elasticsearch, and Kibana
• Tracing and debugging using Zipkin

Setup

• Request .env file from me and then put into docker-compose directory
• No docker images are available publicly right now on docker hub. That's why you have to run

mvn clean install

to run tests and create docker images

• Go to docker-compose directory and then run

docker-compose up 

Chat Application UI

Login Page

Register Page

Chat Page

Backlog

• Kafka streams, analytics and kraft mode
• Golang support with one service
• Group messaging
• Video messaging