# 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 # Make port 8000 available to the world outside this container EXPOSE 8000 # Define environment variable ENV FLASK_APP=app.py # Run app.py when the container launches CMD ["python", "app.py"]