Migrating to Express 4

Here is the complete list of Express 4 middleware. In most cases, you can simply replace the old version 3 middleware with its Express 4 counterpart. For details, see the module documentation in GitHub. app.use accepts parameters In version 4 you can use a variable parameter to define the path where middleware functions are loaded, then read the value of the parameter from the route handler. For e

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"app.configure() has been removed."