FROM python:3.12.3-slim

# install GDAL system libs & dev headers (matching what you want to install)
RUN apt-get update && \
    apt-get install -y \
      gdal-bin \
      libgdal-dev \
      build-essential \
      && rm -rf /var/lib/apt/lists/*

# GDAL environment variable so pip picks correct gdal-config
ENV GDAL_VERSION=3.10
ENV CPLUS_INCLUDE_PATH=/usr/include/gdal
ENV C_INCLUDE_PATH=/usr/include/gdal

COPY requirements.txt .

# install requirements AFTER libgdal-dev is available
RUN pip install --upgrade pip \
 && pip install --no-cache-dir -r requirements.txt

COPY . /app
WORKDIR /app

EXPOSE 7860
CMD ["python", "app.py"]