# Base image with Python 3.9
FROM python:3.9-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV TORCH_HOME=/app/.cache

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

# Set the working directory
WORKDIR /app

# Create necessary directories and set permissions
RUN mkdir -p /app/.cache && chmod -R 777 /app

# Copy requirements.txt into the container
COPY requirements.txt .

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

# Downgrade NumPy for compatibility
RUN pip install "numpy<2.0"

# Copy the application code
COPY . .

# Set permissions for all files and directories in /app
RUN chmod -R 777 /app

# Expose the port for the FastAPI application
EXPOSE 7860

# Command to run the FastAPI app
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]