# Use an official Python runtime as a parent image FROM python:3.9-slim # Set the working directory in the container WORKDIR /app # Copy the current directory contents into the container at /app COPY . /app # Install any needed packages specified in requirements.txt RUN pip install --no-cache-dir -r requirements.txt # Expose the port the app runs on EXPOSE 8080 # Define environment variable ENV FLASK_ENV=development # Run the command to start the app CMD ["python", "app.py"]