Some pull requests are fine with any reviewer. Some are not: a migration touching a billing table, a change to the deploy script, a tweak to authentication middleware. For those, you want a specific pair of eyes - and you want that to happen by default, not because someone remembered to ask.
A CODEOWNERS file encodes that routing. When a pull request touches a path with an owner, the platform automatically requests the owner’s review, and branch protection can require their approval before merge.
The syntax#
The file lives at .github/CODEOWNERS (GitHub) or .gitlab/CODEOWNERS (GitLab), and each line is a pattern followed by one or more owners:
# Default owner for everything
* @stefan
# Database changes need the data team
database/migrations/ @stefan @amira
# Deploy and CI config
deploy.sh @ops-team
.github/workflows/ @ops-team
# One specific file
config/services.php @stefan
Patterns follow gitignore-style matching. Later lines override earlier ones for the paths they match, so put the general rules first and the specific ones last.
Where Laravel teams get the most value#
You do not need to own every path. Two or three rules cover most of the risk:
database/migrations/- migrations are hard to roll back and easy to get subtly wrong. Our post on reviewing migrations is the checklist your owner will run through.- Deploy and CI configuration -
deploy.sh, workflow files,docker-compose.yml. A broken deploy script costs the whole team’s afternoon. - Auth and payment code - the directories where a mistake is a security incident or a billing bug, not just a UI glitch.
Everything else can stay with the team-wide default: anyone reviews, someone approves.
The failure modes#
Owner becomes a bottleneck. If every migration needs one person’s approval and they are on holiday, work stops. Name at least two owners for critical paths, and keep the required-approvals count at one.
File goes stale. People change roles, teams change shape. A CODEOWNERS file pointing at someone who left is worse than none - it creates the illusion of review. Re-read it when the team changes, the same way you re-read branch protection rules.
Ownership as territory. The file routes review; it does not grant veto over ideas. If “owner approval required” starts meaning “nobody else may touch this,” that is a team problem the file merely made visible.
Start small: one file, three rules, two owners per critical path. The first time an automatic review request catches a risky migration before it merges, the file has paid for itself.
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