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+FROM python:3.10-slim
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
+COPY . .
+
+# Expose port (HF Spaces uses port 7860 by default)
+EXPOSE 7860
+
+# Set environment variables
+ENV PORT=7860
+
+# Run the application
+CMD ["python", "annotation_app.py"]