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foodster/CONTRIBUTING.md
T
Esa Kataja b9e0d8d65d docs: add CONTRIBUTING and adopt Conventional Commits
A dozen conventions had accumulated that existed only in my head and in the
commit log: Finnish interface against English code, no infrastructure detail
in the repository, migrations immutable once shipped, interactions that patch
rather than navigate, ponytail comments marking deliberate shortcuts, and
asserting what a response does rather than only that it responded — the one
that let the /ruoat 404 ship.

Commit messages take a type from here on: feat, fix, chore and the rest. The
body still carries the weight, since these commits are the only design record
this project has. Pull request titles get the same treatment, because main is
squash-merged and a title becomes a commit message on it.
2026-09-05 23:59:22 +03:00

3.2 KiB

Contributing

A household project, so this is less a set of rules than a note to whoever picks it up next — including me in six months.

Getting set up

cp .env.example .env      # then edit it
make run                  # http://localhost:8080, tab titled "dev · Foodster"
make                      # every target, with a one-line description

make check is the gate: go vet, gofmt, unit tests, and scripts/smoke.sh, which drives a real server over HTTP. Run it before every commit.

Branches

dev is where work happens. main holds released versions only — it is protected on the remote and takes no direct pushes, so a release arrives as a pull request from dev, squash-merged.

After a squash merge, reset dev onto it or the next pull request will offer the same commits again:

git switch main && git pull --ff-only
git switch dev && git reset --hard main
git push --force-with-lease origin dev

make image refuses to run outside main. That check has to be local: the tag and the image are made before anything reaches the remote, so branch protection cannot catch a release built from the wrong branch.

Commit messages

Conventional Commits — a type, an optional scope, then a short subject in the imperative.

feat(kirjaa): expand the selected day in place
fix: redirect the catalog to /ruuat, not /ruoat
chore(deps): bump the vendored Datastar client
Type For
feat new behaviour someone will notice
fix a bug, ideally naming what broke
refactor same behaviour, different shape
test tests only
docs documentation only
build Makefile, Containerfile, compose, CI
chore anything else: dependencies, seeds, tidying

The body matters more than the type. Explain why, and what the alternative was — the diff already says what changed. If a fix was subtle, say what made it subtle; if a test caught something, say what. Commits here are the only design record this project has.

Because main is squash-merged, a pull request title becomes a commit message on main. Give it the same treatment.

Things that are easy to get wrong

  • The interface is Finnish. Code, comments, this file and the PRD are English. There is no i18n layer and no language switcher.
  • No infrastructure detail is committed — no hostnames, registry paths or ports. They live in .env, which is gitignored, because the PRD leaves the door open to publishing this repository.
  • Migrations are immutable once shipped. A released migration has run on a live database and will not run again. Add a new numbered file instead.
  • Interactions patch, they do not navigate. Anything that reloads the page loses the scroll position, which on a long list is maddening. Links stay links and forms stay forms so it works without JavaScript; Datastar layers over them with data-on:click__prevent and data-on:submit__prevent.
  • A ponytail: comment marks a deliberate shortcut and names its ceiling, so the next reader can tell a decision from an oversight.
  • Assert what a response does, not just that it responded. A redirect to a dead URL is still a 303; that one shipped.