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Development Process

This document outlines the development process for most projects.


Not every project follows this---notably Socorro and Elmo. Check with your team lead or manager for clarification and then fork this.

Release Cycles

Teams work on 1, 2 or 3-week release cycles. Ultimately teams want a continuous development process, where code can be developed and placed in production immediately.

A Bugs Life

  • Most of our work is encapsulated in Bugzilla.
  • Bugs represent tasks (bugs or enhancements).
  • A developer lead will typically group the bugs into milestones.
    • Each milestone represent a release.
    • All work done on a project belong in that milestone.
  • A developer assigned to a bug will typically:
    • make a "bug branch" in git
    • make code changes
    • commit the code changes
    • push them to a personal GitHub repository
    • request a review (r?):
    • After a positive review (r+) code will be merged into master and pushed to origin.
    • Most projects avoid merge commits unless they are necessary.
    • The bug is marked fixed and a comment to the GitHub commit is left in the bug.
  • QA will verify all bugs that have been marked fixed.


QA will verify that bugs are fixed. If you are working on a bug that does not need QA verification mark it with [qa-] in the whiteboard status.

QA will re-open a bug if they feel it's not complete. They will file new bugs if regressions are found within the current milestone.


Deployment varies heavily by product. A typical project will branch master into prod and tag the release with the milestone.

It will then deploy anything in prod.

A typical push consists of:

  • Branching and tagging.
  • Notifying the l10n volunteers.
  • Filing an IT request (a "push bug").
  • Including an etherpad of special instructions if needed.
  • Upon QA and Dev approval code is pushed to production
  • QA verifies production is working properly
  • Hotfixes are made if needed
  • Or a rollback happens.

You can also check out useful documentation from IT about how we deploy websites (requires an LDAP account).

We want a "one button" push process that automates the above steps.

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