## GitLab CI Documentation

### User documentation

+ [Quick Start](quick_start/README.md)
+ [Configuring project (.gitlab-ci.yml)](yaml/README.md)
+ [Configuring runner](runners/README.md)
+ [Configuring deployment](deployment/README.md)
+ [Using Docker Images](docker/using_docker_images.md)
+ [Using Docker Build](docker/using_docker_build.md)
+ [Using Variables](variables/README.md)
+ [Using SSH keys](ssh_keys/README.md)

### Languages

+ [Testing PHP](languages/php.md)

### Services

+ [Using MySQL](services/mysql.md)
+ [Using PostgreSQL](services/postgres.md)
+ [Using Redis](services/redis.md)
+ [Using Other Services](docker/using_docker_images.md#how-to-use-other-images-as-services)

### Examples

+ [Test and deploy Ruby applications to Heroku](examples/test-and-deploy-ruby-application-to-heroku.md)
+ [Test and deploy Python applications to Heroku](examples/test-and-deploy-python-application-to-heroku.md)
+ [Test Clojure applications](examples/test-clojure-application.md)
+ Help your favorite programming language and GitLab by sending a merge request with a guide for that language.

### Administrator documentation

+ [User permissions](permissions/README.md)
+ [API](api/README.md)
