Add a unique `requestId` uuid to each [express](https://github.com/visionmedia/express) request for logging.
npm install request-id-middleware Add a unique requestId uuid to each express request for logging.
``js
var requestId = require('request-id-middleware')();
app.get('/', requestId, function (req, res, next) {
res.set({ 'X-Request-Id', req._id });
res.send(200);
});
`
defaulting to:`js
{
"header": 'request-id' // read header request-id
"param": '_requestId', // try getting it from the param requestId too
"key": '_id' // set the request id as req._id
}
`License
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``