# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory to /app
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 7860 available to the world outside this container
EXPOSE 7860

# Define environment variable
ENV FLASK_APP=app.py

# Create a user to run the application (security best practice)
RUN useradd -m -u 1000 user
USER user

# Run app.py when the container launches
CMD ["python", "app.py"]