Every route handler receives exactly one parameter: a context object. You should extend the context object with whatever data you find useful to preserve through the lifetime of a single request. The context exposes the following getters for data you're likely to find useful:
method: the request methodheaders: the request headersurl: the parsed request urlquery: the request query params, if anyparams: the request url params, if anybody: a promise that resolves to the request body contentstart: timestamp in ms since the epoch of when the request started to be handledaccepts: content-negotiation for the request, provided by acceptsrequest: the raw node request objectredisClient: a node-redis client; present if you have enabled the redis featurepostgresClient: a node-postgres client; present if you have enabled the postgresql feature