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Express & Koa middlewares and Fastify & Hapi plugins for CLS-based request ID generation, batteries included. An out-of-the-box solution for adding request IDs into your logs. Check out this blog post that describes the rationale behind cls-rtracer. Automatically generates a UUID V1 value as the id for each request and stores it in AsyncLocalStorage. Optionally, if the request contains an X-Request-Id header, uses its value instead. Allows to obtain the generated request id anywhere in your routes later and use it for logging or any other purposes.
Features
- Tested and works fine with Express v4, Fastify v2 and v3, Koa v1 and v2, and Hapi v18
- Use the middleware (or plugin) provided by the library before the first middleware that needs to have access to request IDs
- Legacy Fastify middleware
- Use the plugin provided by the library
- Integration with loggers
- Licensed under MIT
- Documentation available
Project Samples
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MIT LicenseFollow cls-rtracer
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