Create Dockerfile

Dockerfile

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+FROM python:3.10-slim
+
+# Create user with ID 1000 (required for Hugging Face Spaces)
+RUN useradd -m -u 1000 user
+
+# Set environment variables
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    PYTHONPATH=$HOME/app \
+    PYTHONUNBUFFERED=1
+
+# Install system dependencies for OpenCV and image processing
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender-dev \
+    libgomp1 \
+    libglib2.0-0 \
+    libgtk-3-0 \
+    libavcodec-dev \
+    libavformat-dev \
+    libswscale-dev \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Switch to user and set working directory
+USER user
+WORKDIR $HOME/app
+
+# Copy requirements first for better Docker layer caching
+COPY --chown=user ./requirements.txt requirements.txt
+
+# Install Python dependencies
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Copy all application files
+COPY --chown=user . $HOME/app
+
+# Expose port 7860 (Hugging Face Spaces default)
+EXPOSE 7860
+
+# Health check for the application
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:7860/ || exit 1
+
+# Run the Gradio application
+CMD ["python", "app.py"]