Duct module for running web applications
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Latest commit 47a0700 Jan 5, 2019


Duct module.web

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A Duct module that adds a web server and useful middleware to a configuration. This is the basis of all web applications built with Duct.


To install, add the following to your project :dependencies:

[duct/module.web "0.7.0"]


To add this module to your configuration, add a reference to :duct.module.web/api if you want to develop a web service:

{:duct.core/project-ns foo
 :duct.module.web/api  {}}

Or :duct.module.web/site if you want to develop a user-facing web application:

{:duct.core/project-ns foo
 :duct.module.web/site {}}

Or :duct.module/web if you want the bare-bones approach and want to handle most things yourself.

Note that the :duct.core/project-ns key must also be set, to allow the module to find the right resources.

By default, the module uses the :duct.server.http/jetty key for the webserver, as supplied by the server.http.jetty library. However, if a key deriving from :duct.server/http already exists in the configuration, the module will use that instead.

Similarly, the module includes the :duct.router/cascading key for routing. This is a simple router that takes an ordered vector of handlers, and will return the first non-nil response for a given request.

For example:

{:duct.router/cascading [#ig/ref :foo.endpoint/example1
                         #ig/ref :foo.endpoint/example2]
 :foo.endpoint/example1 {}
 :foo.endpoint/example2 {}}

If a key deriving from :duct/router exists in the configuration already, then that is used instead.


Copyright © 2017 James Reeves

Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.