MiniTwitter (FastAPI + PostgreSQL + Redis)

This project is a backend API for a simple Twitter-like app using FastAPI, PostgreSQL, and Redis for caching.

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What Each File Does

twitter_database.py

• Defines SQLAlchemy ORM models: User, Post, Comment, etc.
• Sets up database engine and session (SessionLocal)

schemas.py

• Contains Pydantic models for validating API input/output
• Helps FastAPI auto-generate docs (like Swagger)

crud.py

• Handles business logic for interacting with the database
• Functions for creating users, posts, comments, etc.

cache.py

• Connects to a local Redis instance
• Provides helper functions to set and get cached responses

main.py

• FastAPI application with all routes (/users, /posts, /comments, etc.)
• Includes JWT authentication, caching, and database integration