FROM python:3.9-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gdal-bin \
    libgdal-dev \
    && rm -rf /var/lib/apt/lists/*

# Set up environment variables
ENV PYTHONUNBUFFERED=1

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

# Create a directory for the GeoTIFFs
RUN mkdir -p /data/cogs

# Copy the app code
COPY app.py .

# Expose port 7860 (default for Hugging Face Spaces)
EXPOSE 7860

# Start the app
CMD ["python", "app.py"]