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

# Set the working directory
WORKDIR /code

# Create a non-root user and switch to it
RUN groupadd -r myuser && useradd -r -g myuser myuser

# Copy and install Python dependencies
COPY requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Switch to the non-root user
USER myuser

# Copy application code
COPY . /code

# Default command to run the application
CMD ["python", "app.py"]