# Use Python 3.9 as the base image
FROM python:3.9  

# Set working directory
WORKDIR /app  

# Copy all files into the container
COPY . /app  

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

# Expose Flask API port
EXPOSE 8000  

# Run Gunicorn and explicitly specify the module (api.py) and app instance
CMD["python","api.py"]