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Server/Dockerfile

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+FROM python:3.11-slim
+
+# Install curl for health checks
+RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN groupadd -r appuser && useradd -r -g appuser appuser
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first for better caching
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY webhook_app.py .
+
+# Change ownership to non-root user
+RUN chown -R appuser:appuser /app
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 5000
+
+# Health check with curl (now installed)
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:5000/health || exit 1
+
+# Run with gunicorn for production
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--timeout", "30", "webhook_app:app"]