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4E GitHub - notarious2/fastapi-chat: Real-time chat with FastAPI, Websockets and SQLAlchemy2
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Real-time Chat App with FastAPI

Live Demo: https://www.ponderpal.chat

Swagger UI: https://api.ponderpal.chat/docs

Admin: https://api.ponderpal.chat/admin/ (login: bekzod, password: bekzod)

Frontend with Vue 3 and Vuetify 3, see repo

Tech Stack:

  • FastAPI, Websockets, Pydantic 2
  • Postgres (asyncpg), async Redis (PubSub and Cache)
  • SQLAlchemy 2
  • Database migrations with Alembic
  • Poetry for dependency management, containerization with Docker/docker-compose
  • Linting and Formatting with Ruff

High level functionality description

  • Fully asynchronous: FastAPI, Postgres, Redis
  • JWT HTTP-only cookies authentication (access, refresh tokens)
  • Horizontal Scalability with Redis PubSub
  • Rate Limiting (Throttling)
  • FastAPI background tasks:
    • uploading photos to cloud
    • updating non-essential info
  • Message status confirmation: sending, sent and read
  • Read status tracking with one field per user per chat
(last read message) instead of tracking 
individual message read status
  • User status tracking: online, inactive and offline
  • User is typing tracking
  • Google Oauth2 authentication:
    • Frontend retrieves access token
    • Backend verifies and gets user data
  • Store files in AWS S3 bucket in production and StaticFiles in local development
  • Modern Admin panel with sqladmin

Local Setup

  • Configure necessary variables in src/config.py
  • Create network: make network
  • Build and run: make build-up (runs on port: 8001)
  • Apply migrations: make upgrade
  • Follow logs: make logs
  • Run tests: make test
Screenshot 2024-02-18 at 18 37 11








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