Running FastAPI:

1. Clone the Repository:

   git clone https://github.com/your-username/repo-name.git
   cd repo-name

2. Install Dependencies:

   pip install -r requirements.txt

3. Set Environment Variables: Create a .env file in the root directory and configure your environment variables, including database connection details and API tokens.

4. Run FastAPI:

   uvicorn main:app --reload

   The API will be accessible at http://localhost:8000.

Setting Up PostgreSQL:

1. Install PostgreSQL: Follow the instructions on the official PostgreSQL website to install PostgreSQL on your system.

2. Create Database:

   createdb social_media_db

3. Run Database Migrations:

   alembic upgrade head

   This will apply the necessary database migrations.

4. Configure Database URL: Update the .env file with your PostgreSQL database URL:

   DATABASE_URL=postgresql://username:password@localhost/social_media_db