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Clojure, Web and Luminus

The document discusses Clojure and web development frameworks. It introduces Clojure and why it is useful for web development. It then discusses libraries and frameworks for the Clojure web toolbox, including Ring, Compojure, and existing frameworks like Noir, Pedestal, and Luminus. Luminus is introduced as a framework that utilizes the Clojure ecosystem while providing defaults and flexibility. The presentation concludes with discussing improvements to Luminus.

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Clojure,Web and Luminus Monday, April 29, 13
• :name “Edward Tsech” • :nick “edtsech” • :langs [:clojure :haskell :shen] • :interests [:fp :frp :data] About Monday, April 29, 13
Agenda • Why Clojure? • Clojure + Web • Clojure Toolbox • Libraries vs Frameworks • Existing frameworks • Luminus’ approach Monday, April 29, 13
Why Clojure? Monday, April 29, 13
Clojure as Ecosystem • Mature ecosystem of JVM • Interactive development (REPL) • ClojureScript • Leiningen • Emacs/Vim/SublimeText?? • Datomic Monday, April 29, 13
Clojure as Language • Rapid development • Concurrency • FP • Metaprogramming • DSL • Data centric Monday, April 29, 13
Clojure + Web Monday, April 29, 13
Clojure + Web • Ring - HTTP abstraction (WCGI, Rack, Hack) • Compojure - routing DSL (Sinatra, Scotty, Scalatra) Monday, April 29, 13
Functional Web Architecture https://speakerdeck.com/weavejester/functional-web- architecture Monday, April 29, 13
Clojure Web Toolbox • Auth - Friend • JSON - data.json, cheshire • Validation - lib-noir, Validateur • Testing - Kerodon, Peridot • Logging - tools.logging • XML - data.xml, data.zip • SQL - Korma, clojure.java.jdbc • Deploy - Leiningen • HTML - ... • CRUD - ? • Performance - Grinder Monday, April 29, 13
Libraries vs Frameworks Monday, April 29, 13
Libraries • Easy to compose • You have to know ecosystem • You are not limited what you can build and how to build it • You have to create your own architecture Monday, April 29, 13
Frameworks • Take care of users (security, ...) • Basic architecture • Defaults (Libraries) • Docs, tutorials, guides, ecosystem • Habits • Limitations (what..., how...) Monday, April 29, 13
Existing Frameworks • Conjure • Noir • Joodo • Pedestal • Luminus Monday, April 29, 13
Origins • Noir • Noir + lib-noir • lib-noir • lib-luminus + Luminus • lib-noir + Luminus Monday, April 29, 13
Luminus • Freedom (up to you what and how) • Utilize existing Clojure ecosystem • Libraries composability • Flexible templates • Basic architecture • Defaults • Documentation • Take care of newcomers Monday, April 29, 13
Improvements • Improve profiles system • Improve architecture • Add profiles* • Write guides, tutorials, docs Monday, April 29, 13
Questions? Monday, April 29, 13
Links 1 • Luminus - http://www.luminusweb.net/ • luminus-template - https://github.com/ yogthos/luminus-template • luminus - https://github.com/yogthos/ luminus • lib-noir - https://github.com/noir-clojure/lib- noir Monday, April 29, 13
Links 2 • A brief overview of the Clojure web stack - http://brehaut.net/blog/2011/ ring_introduction • Project Templates - http://brehaut.net/blog/ 2013/project_templates • Functional Web Architecture - https://speakerdeck.com/weavejester/functional- web-architecture Monday, April 29, 13