Update Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+# Avoid Python buffering issues
+ENV PYTHONUNBUFFERED=1
+
+# Install system dependencies required by OpenCV
+RUN apt-get update && apt-get install -y \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender1 \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first (Docker layer caching)
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code and model files
+COPY . .
+
+# Hugging Face Spaces expects port 7860
+EXPOSE 7860
+
+# Start the Flask app
+CMD ["python", "app.py"]