Dockerfile

FROM python:3.9-slim

# Set the working directory inside the container
WORKDIR /app

# Copy all files from deployment_files into the container
COPY deployment_files/ ./

# Install dependencies
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Run the Flask app with Gunicorn
# Here: app.py is in deployment_files, Flask instance = store_sales_api
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:store_sales_api"]