Dockerfile

FROM python:3.9-slim

# Set the working directory inside the container
WORKDIR /app

# Copy all files from the current directory to the container's working directory
COPY . .

# Install dependencies from the requirements file without using cache to reduce image size
RUN pip install --no-cache-dir --upgrade -r requirements.txt

#Define the command to run the Flask application on port 7860 and make it accessible externally
# - '-w 4' : Uses 4 worker processes to handle requests.
# - '-b 0.0.0.0:7860': Binds the Flask app to the specified host and port.
# - 'app:sales_prediction_api': Specifies the entry point of the Flask app.
CMD ["gunicorn", "w", "1", "-b", "0.0.0.0:7860", "app:sales_prediction_api"]