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

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

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libgl1-mesa-glx \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    wget \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY . .

# Create cache directories with proper permissions
RUN mkdir -p /app/.cache/carvekit && \
    mkdir -p /home/user/.cache/carvekit && \
    chown -R user:user /app && \
    chown -R user:user /home/user

# Switch to non-root user
USER user

# Set environment variables
ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860
ENV PYTHONUNBUFFERED=1
ENV HOME=/home/user
ENV CARVEKIT_CACHE_DIR=/app/.cache/carvekit

# Expose the port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Run the application
CMD ["python", "app.py"]