Publish curated GeoIntel source snapshot

backend/Dockerfile

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+FROM python:3.12-slim
+
+WORKDIR /app
+
+ARG GEOINTEL_INSTALL_AI=false
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    gdal-bin \
+    libgl1 \
+    libglib2.0-0 \
+    libgdal-dev \
+    libgeos-dev \
+    libproj-dev \
+    libpq-dev \
+    libsm6 \
+    libx11-6 \
+    libxcb1 \
+    libxext6 \
+    libxrender1 \
+    proj-bin \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY pyproject.toml README.md /app/
+COPY app /app/app
+RUN pip install --no-cache-dir --upgrade pip setuptools
+RUN extras=".[gis]" \
+    && if [ "$GEOINTEL_INSTALL_AI" = "true" ]; then extras=".[gis,ai]"; fi \
+    && pip install --no-cache-dir "$extras"
+
+COPY . /app
+RUN python scripts/gis_import_smoke.py
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]