FROM python:3.10-slim

WORKDIR /app

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

# Set GDAL environment variables
ENV GDAL_CONFIG=/usr/bin/gdal-config

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application
COPY . .

# Expose Streamlit port
EXPOSE 7860

# Run Streamlit
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]