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Duct module.web Build Status

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.

This current version is experimental and will only work with the new duct.main tool. The artifact group name has been changed to prevent accidental upgrades. The version prior to this change was: 0.7.4.

Installation

Add the following dependency to your deps.edn file:

org.duct-framework/module.web {:mvn/version "0.11.0"}

Or to your Leiningen project file:

[org.duct-framework/module.web "0.11.0"]

Usage

To add this module to your configuration, add a reference to :duct.module/web:

{:duct.module/web {}}

To load in middleware and handlers appropriate to develop web services, add the :api keyword to the :features option:

{:duct.module/web {:features #{:api}}}

Or :site if you want to develop a user-facing web application:

{:duct.module/web {:features #{:site}}}

Or include both if you want both sets of features combined.

By default, the module uses the [Reitit][] Ring router. This is available via the :duct.router/reitit key. For example:

{:duct.module/web {:features #{:site}}
 :duct.router/reitit {:routes [["/" #ig/ref :app.example/handler]]}}
 :app.example/handler {}

[reitit][]: https://github.com/metosin/reitit

You can also use the :routes key on the module:

{:duct.module/web
 {:features #{:site}
  :routes [["/" #ig/ref :app.example/handler]]}
 :app.example/handler {}}

This will automatically add appropriate refs and handler keys, so the above configuration can be written:

{:duct.module/web
 {:features #{:site}
  :routes [["/" :app.example/handler]]}}

It may be the case that you want all handlers to have a common configuration, such as providing a reference to a database. You do this easily with the :handler-opts key, which merges a supplied options map with the options for all the handlers referenced in the routes.

For example:

{:duct.database/sql {:jdbcUrl "jdbc:sqlite:"}
 :duct.module/web
 {:features #{:site}
  :handler-opts {:db #ig/ref duct.database/sql}
  :routes [["/" :app.example/handler]]}}

License

Copyright © 2024 James Reeves

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