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Supported Languages Guide

Code that builds on Linux or iOS will generally build on CircleCI 2.0. We’ve created several demo applications in various languages, so you can learn by example from an app written in the same language as your application. Each language listed below has an associated guide and public repository on GitHub. Fork them and follow along!

Language Guide Framework GitHub Repo Name
Android Gradle android-image
Android - React React Native circleci-demo-react-native
Clojure Luminus circleci-demo-clojure-luminus
Crystal Kemal circleci-demo-crystal
C - parallel-compile-circleci
Dart - circleci-demo-dart
Elixir Phoenix circleci-demo-elixir-phoenix
Go Go circleci-demo-go
Haskell Scotty circleci-demo-haskell
iOS Xcode circleci-demo-ios
iOS - React React Native circleci-demo-react-native
macOS MacOS circleci-demo-macos
Java Spring circleci-demo-java-spring
Java - Maven Maven circleci-demo-java-spring-tree-maven
JavaScript React circleci-demo-javascript-react-app
NodeJS - JavaScript React circleci-demo-javascript-express
PHP Laravel circleci-demo-php-laravel
Python Django circleci-demo-python-django
Python walkthrough Flask circleci-demo-python-flask
React Native React Native circleci-demo-react-native
Ruby and Rails Rails circleci-demo-ruby-rails
Scala sbt sample-scala
Windows .NET circleci-demo-windows
Windows Visual C++ HelloVCSuite-Cloud for circleci.com
HelloVCSuite-Server for on-premises

Supported languages

  • Clojure (v1.2.0 and later)
  • Elixir (v1.2 and later)
  • Go (v1.7 and later)
  • Java (Java 8 and later)
  • JavaScript (Node.js 4 and later)
  • PHP (PHP 5 and later)
  • Python (Python 2 and later)
  • React Native
  • Ruby on Rails (Ruby 2 and later)
  • Scala and sbt

Build projects in C, C#, C++, Clojure, Elixir, Erlang, Go, Groovy, Haskell, Haxe, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala and many more.

See also

Refer to the Getting Started Introduction for the steps to run your first build.