# Use an official Python runtime as a parent image
FROM python:3.12-slim

# Set the working directory in the container
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy the requirements file
COPY requirements.txt requirements.txt

# Install Python packages with timeout increase
RUN pip install --no-cache-dir --timeout=1000 -r requirements.txt

# Copy application code
COPY . /app

# Create a non-root user
RUN useradd -m -u 1000 user

# Change ownership
RUN chown -R user:user /app

# Switch to the non-root user
USER user

# Expose the port
EXPOSE 7860

# Set environment variables
ENV FLASK_HOST=0.0.0.0
ENV FLASK_PORT=7860
ENV FLASK_DEBUG=False

# CRITICAL: Set HF-specific env vars
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HF_HOME=/tmp/hf_home
ENV TORCH_HOME=/tmp/torch_home

# Command to run the app
CMD ["python", "app.py"]