This repo contains and is about a microservice base chat application with golang.
This chat application is a Room base chat app, users can create rooms and join the rooms, for now the chat is a message base means users by sending messages in the room and all the users in room will receive the message. chat app is implemented with websocket to be real-time.
Beside the chat app there is another service called notification service that will connect to user with websocket.
Used mongoDB for database, Redis for cache, RabbitMQ for message broker.
- First clone the repo
git clone https://github.com/arminshfatemi/chat_application.git
- Change directory to the project directory
cd chat_application
- Start the docker compose
sudo docker compose up
Now all the services are up and running
Chat service is responsible for login, signup of users and creating, joining and sending messages to the users in real time to users.
This service use REST APIs to create rooms, login and signup of user.
And it use websocket for realtime messages sending of messages
Notification Service is responsible for sending notifications to users in real time with websocket
This Service have a consumer that use RabbitMQ Queues to get notifications from Chat service
Scheduler Service will do two main task, with the given config it will do it every given time, Ep: every minute or every hour
first task is get the old messages and log them second task is get the old messages and put them in the archive collection
RabbitMQ as a message broker is going to be the way that chat service sends events to notification service
Our database to save messages, notifications, clients and rooms
Cache database for caching the recent messages of the rooms to increase the response time and load
URL: http://127.0.0.1:8000/api/user/signup/
method: POST
Example Json:
{
"username": "username",
"email": "[email protected]",
"password": "password"
}
URL: http://127.0.0.1:8000/api/user/login/
method: POST
Example Json:
{
"username": "username",
"password": "password"
}
URL: http://127.0.0.1:8000/api/room/create/
Auth: for being able to use this endpoint you need to put your login JWT in the header example of the token :
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MTg5MjU2MjMsImlkIjoiNjY3MWE1MmJjY2EyMGUzMThlNjE3ZGQ0IiwidXNlcm5hbWUiOiJ2YXJnaGEifQ.BeRG8eer-fchKmjCcbHqi0edZ7IexIyoJ7XGTaMCuJ8
method: POST
Example Json:
{
"name": "room_name",
}
Description: this url is for creating new room
URL: ws://127.0.0.1:8000/ws/join/?name=
Auth: for being able to use this endpoint you need to put your login JWT in the header example of the token :
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MTg5MjU2MjMsImlkIjoiNjY3MWE1MmJjY2EyMGUzMThlNjE3ZGQ0IiwidXNlcm5hbWUiOiJ2YXJnaGEifQ.BeRG8eer-fchKmjCcbHqi0edZ7IexIyoJ7XGTaMCuJ8
Example Json:
{
"type": "message",
"content": "hello"
}
Description: this url is for joining th room with websocket.
given Json example is for sending a new message in the room you can send message when you are connected.
you need to specify the name of the room you want to join in url example: 127.0.0.1:8000/ws/join/?name=test_room
URL: ws://127.0.0.1:8080/ws/join-notification/
Auth: for being able to use this endpoint you need to put your login JWT in the header example of the token :
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MTg5MjU2MjMsImlkIjoiNjY3MWE1MmJjY2EyMGUzMThlNjE3ZGQ0IiwidXNlcm5hbWUiOiJ2YXJnaGEifQ.BeRG8eer-fchKmjCcbHqi0edZ7IexIyoJ7XGTaMCuJ8
Description: this endpoint is a websocket, after joining, if the room you are joined get a message it will send a notification in the channel to notify the user
NOTE: the notification of the room will just work if you are the room that is notification for