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Contributing Guidelines

Some basic conventions for contributing to this project.


Please make sure that there aren’t existing pull requests attempting to address the issue mentioned. Likewise, please check for issues related to update, as someone else may be working on the issue in a branch or fork.

  • Please open a discussion in a new issue / existing issue to talk about the changes you’d like to bring
  • Develop in a topic branch, not master/develop

When creating a new branch, prefix it with the type of the change (see section Commit Message Format below), the associated opened issue number, a dash and some text describing the issue (using dash as a separator).

For example, if you work on a bugfix for the issue #361, you could name the branch fix361-template-selection.

Issues open to contribution

Want to contribute but don’t know where to start?

Some of the open issues are labeled with prefix exp/, this is used to mark them as available for contributors to work on. All of these have an attributed difficulty level:

  • beginner: a task that should be accessible with users not familiar with the codebase
  • intermediate: a task that require some understanding of the project codebase or some experience in either AngularJS or Golang
  • advanced: a task that require a deep understanding of the project codebase

You can use Github filters to list these issues:

Commit Message Format

Each commit message should include a type, a scope and a subject:

 <type>(<scope>): <subject>

Lines should not exceed 100 characters. This allows the message to be easier to read on github as well as in various git tools and produces a nice, neat commit log ie:

 #271 feat(containers): add exposed ports in the containers view
 #270 fix(templates): fix a display issue in the templates view
 #269 style(dashboard): update dashboard with new layout


Must be one of the following:

  • feat: A new feature
  • fix: A bug fix
  • docs: Documentation only changes
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
  • refactor: A code change that neither fixes a bug or adds a feature
  • test: Adding missing tests
  • chore: Changes to the build process or auxiliary tools and libraries such as documentation generation


The scope could be anything specifying place of the commit change. For example networks, containers, images etc... You can use the area label tag associated on the issue here (for area/containers use containers as a scope...)


The subject contains succinct description of the change:

  • use the imperative, present tense: “change” not “changed” nor “changes”
  • don’t capitalize first letter
  • no dot (.) at the end

Contribution process

Our contribution process is described below. Some of the steps can be visualized inside Github via specific status/ labels, such as status/1-functional-review or status/2-technical-review.

Bug report


Feature request

The feature request process is similar to the bug report process but has an extra functional validation before the technical validation as well as a documentation validation before the testing phase.