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Dockerfile

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+# Use a small but recent base
+FROM python:3.10-slim
+
+# Allow apt installs for system deps (opencv needs libgl1, etc.)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libgl1 \
+    libglib2.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy requirements first (for caching)
+COPY requirements.txt .
+
+# Install pip deps
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY . .
+
+# Expose the port Spaces expects by default
+EXPOSE 7860
+
+# Run uvicorn on port 7860
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]