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Luminus-Template

A Leiningen template for projects using Luminus.

The template initializes a base Luminus application.

Requirements

Luminus requires Leiningen version 2.5.3+

Usage

The Luminus template ships out of the box with your latest Leiningen. Run the following command to create a new Luminus project which uses the default profile template:

lein new luminus <your project name>

However, if you would like to attach further functionality to your template you can append profile hints for these extended features:

Profile	Category	Description	Compare
+aleph	server	adds the Aleph server	diff
+http-kit	server	adds the fast HTTP Kit web server to the project	diff
+immutant	server	adds the immutant web server to the project. Note: this project is no longer funded/maintained	diff
+jetty	server	adds the jetty web server to the project	diff
+undertow	server	adds the ring-undertow server. This is a default server.	diff
+h2	database	adds db.core namespace and H2 database dependencies	diff
+postgres	database	adds db.core namespace and PostgreSQL database dependencies	diff
+mysql	database	adds db.core namespace and MySQL/MariaDB database dependencies	diff
+mongodb	database	adds support for MongoDB using the Monger library	diff
+datomic	database	adds support for the Datomic database	diff
+sqlite	database	adds support for the SQLite database	diff
+xtdb	database	adds support for the XTDB database	diff
+graphql	service API	adds GraphQL support using Lacinia	diff
+swagger	service API	adds support for Swagger-UI	diff
+service	service API	removes static assets and the layout, adds Swagger support	diff
+cljs	ClojureScript	adds ClojureScript support to the project	diff
+reagent	ClojureScript	adds ClojureScript support with Reagent to the project along with an example	diff
+re-frame	ClojureScript	adds ClojureScript support with re-frame to the project along with an example	diff
+kee-frame	ClojureScript	adds kee-frame to the project	diff
+shadow-cljs	ClojureScript	adds shadow-cljs support to the project, replacing the default cljsbuild and figwheel setup	diff
+boot	misc	causes the project to run with Boot instead of Leiningen	diff
+auth	misc	adds Buddy dependency and authentication middleware	diff
+auth-jwe	misc	adds Buddy dependency with the JWE backend	diff
+oauth	misc	adds OAuth dependency	diff
+hoplon	misc	adds ClojureScript support with Hoplon to the project	diff
+cucumber	misc	adds support for browser based UI testing with Cucumber and clj-webdriver	diff
+sassc	misc	adds support for SASS/SCSS files using SassC command line compiler	diff
+war	misc	adds support of building WAR archives for deployment to servers such as Apache Tomcat (should NOT be used for Immutant apps running on WildFly)	diff
+site	misc	creates template for site using the specified database (H2 by default) and ClojureScript	diff
+kibit	misc	adds lein-kibit plugin	diff
+servlet	misc	adds middleware for handling Servlet context	diff
+basic	misc	generates a bare bones luminus project	diff
+async	misc	support for async (= 3 argument) ring handlers

To add a profile simply pass it as an argument after your application name, e.g.:

lein new luminus myapp +cljs

You can also mix multiple profiles when creating the application, e.g.:

lein new luminus myapp +auth +postgres

To build as a executable Java ARchive (JAR) standalone, run the following command:

lein uberjar

Or if using the +boot profile:

boot uberjar

To run the resulting standalone executable .jar file, do as you would with any other:

user$ java -jar target/myapp.jar
15-Sep-14 16:06:21 APc47d.4f39.65e6.uhn.ca INFO [myapp.handler] -
-=[myapp started successfully]=-
16:06:21.685 INFO  [org.projectodd.wunderboss.web.Web] (main) Registered web context /
15-Sep-14 16:06:21 APc47d.4f39.65e6.uhn.ca INFO [myapp.core] - server started on port: 3002

Performance Testing

The app can be stress tested by running the Apache benchmark command:

ab -c 10 -n 1000 http://127.0.0.1:3000/

The memory and CPU usage can be inspected by running either jconsole or jvisualvm and attaching them to a running Luminus server.

Async Ring Handlers

Using async ring handlers is possible but adds another layer of complexity. If things go wrong you'll see a blank screen, possibly without any error message.

The server (undertow, jetty, servlet) and every middleware in the chain has to support async request handling.

To enable: add :async? true to your config maps.

Tested combinations:

default (undertow)
+war
+servlet +war (this implies jetty9): http://localhost:3000/your-ns instead of just /
+jetty +war: http://localhost:3000/your-ns instead of just /
+jetty: works
+http-kit
+aleph

Other Templates

There is also a public comparison chart of the common templates.

License

Distributed under the MIT License.