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Dockerfile

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+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements file
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application files
+COPY . .
+
+# Generate VAPID keys if .env doesn't exist
+RUN if [ ! -f .env ]; then python generate_vapid_keys.py; fi
+
+# Expose the application port
+EXPOSE 8080
+
+# Command to run the application
+CMD ["python", "app.py"]