Navigate to your project directory.
python -m venv venv
.\venv\Scripts\activate
For Mac:
source venv/bin/activate
pip install -r requirements.txt
URL_DATABASE = "postgresql://postgres:{YOUR_POSTGRES_PASSWORD}@localhost:5432/teamflow"
in db.py change URL_DATABASE = "postgresql://postgres:{YOUR_POSTGRES_PASSWORD}@localhost:5432/teamflow"