Add global Express error handler and graceful shutdown to API Gateway#117
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Senthil455
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Jun 17, 2026
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Adds the two missing Express patterns: global error handler middleware to catch unhandled async errors, and graceful shutdown on SIGTERM/SIGINT. Clean implementation.
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Add a global error handler middleware to catch unhandled errors from async route handlers, preventing Node.js 20+ process crashes on unhandled rejections. Also add SIGTERM/SIGINT handlers for graceful HTTP server shutdown.