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Dockerfile

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+# Use lightweight Python image
+FROM python:3.9-slim
+
+# Install system dependencies (fonts + essentials)
+RUN apt-get update && apt-get install -y \
+    fonts-dejavu \
+    fonts-freefont-ttf \
+    wget \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set working directory
+WORKDIR /app
+
+# Install Python dependencies first (for layer caching)
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
+COPY app.py .
+
+# Download a nice font (optional)
+RUN wget https://github.com/googlefonts/roboto/raw/main/src/hinted/Roboto-Black.ttf -O /usr/share/fonts/truetype/Roboto-Bold.ttf \
+    && fc-cache -f -v
+
+# Set environment variables
+ENV GRADIO_SERVER_NAME=0.0.0.0
+ENV GRADIO_SERVER_PORT=7860
+
+# Run the application
+CMD ["python", "app.py"]