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CONTRIBUTING.md

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Welcome to UDS Software Factory

Thank you for your interest in UDS Software Factory!

This document describes the process and requirements for contributing.

Developer Experience

Continuous Delivery is core to our development philosophy. Check out https://minimumcd.org for a good baseline agreement on what that means.

Specifically:

  • We do trunk-based development (main) with short-lived feature branches that originate from the trunk, get merged into the trunk, and are deleted after the merge
  • We don't merge code into main that isn't releasable
  • We perform automated testing on all changes before they get merged to main
  • Continuous integration (CI) pipeline tests are definitive
  • We create immutable release artifacts

Developer Workflow

🔑 == Required by automation

  1. Drop a comment in any issue to let everyone know you're working on it and submit a Draft PR (step 4) as soon as you are able.
  2. 🔑 Set up your Git config to GPG sign all commits. Here's some documentation on how to set it up. You won't be able to merge your PR if you have any unverified commits.
  3. Create a Draft Pull Request as soon as you can, even if it is just 5 minutes after you started working on it. We lean towards working in the open as much as we can.

    ⚠️ NOTE: 🔑 We use Conventional Commit messages in PR titles so, if you can, use one of fix:, feat:, chore:, docs: or similar. If you need help, just use with wip: and we'll help with the rest

  4. 🔑 Automated tests will begin based on the paths you have edited in your Pull Request.

    ⚠️ NOTE: If you are an external third-party contributor, the pipelines won't run until a CODEOWNER approves the pipeline run.

  5. 🔑 Be sure to heed the needs-adr,needs-docs,needs-tests labels as appropriate for the PR. Once you have addressed all of the needs, remove the label or request a maintainer to remove it.
  6. Once the review is complete and approved, a core member of the project will merge your PR. If you are an external third-party contributor, two core members of the project will be required to approve the PR.
  7. Close the issue if it is fully resolved by your PR. Hint: You can add "Fixes #XX" to the PR description to automatically close an issue when the PR is merged.

Architecture Decision Records (ADR)

We've chosen to use ADRs to document architecturally significant decisions. We primarily use the guidance found in this article by Michael Nygard with a couple of tweaks:

  • The criteria for when an ADR is needed is undefined. The team will decide when the team needs an ADR.
  • We will use the tool adr-tools to make it easier on us to create and maintain ADRs.
  • We will keep ADRs specific to this package in the repository under adr/NNNN-name-of-adr.md.

    adr-tools is configured with a dotfile to automatically use this directory and format.

  • We will keep ADRs relating to Software Factory as a whole in the UDS Software Factory repository under adr/NNNN-name-of-adr.md.

How to use adr-tools

# Create a new ADR titled "Use Bisquick for all waffle making"
adr new Use Bisquick for all waffle making

# Create a new ADR that supersedes a previous one. Let's say, for example, that the previous ADR about Bisquick was ADR number 9.
adr new -s 9 Use scratch ingredients for all waffle making

# Create a new ADR that amends a previous one. Let's say the previous one was ADR number 15
adr new -l "15:Amends:Amended by" Use store-bought butter for all waffle making

# Get full help docs. There are all sorts of other helpful commands that help manage the decision log.
adr help