FROM python:3.9

# Create a user with a specified UID
RUN useradd -m -u 1000 user

# Set working directory
WORKDIR /app

# Copy and install dependencies as root (for permissions)
COPY requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir --upgrade -r requirements.txt

# Create results directory with proper permissions
RUN mkdir -p /app/results && chown -R user:user /app/results

# Copy application files
COPY --chown=user:user . /app

# Switch to the user
USER user

ENV PATH="/home/user/.local/bin:$PATH"
ENV PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python

# Expose the port for huggingface spaces
EXPOSE 7860
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]