Agent skill
laravel-migrations-and-factories
Safe database change patterns; when to modify vs add migrations; always pair models with migrations and factories; seeding guidance
Install this agent skill to your Project
npx add-skill https://github.com/noartem/skills/tree/main/skills/laravel-migrations-and-factories
SKILL.md
Migrations and Factories
Keep schema changes safe, testable, and reversible.
Commands
php artisan make:model Post -mfc
# Run/rollback
php artisan migrate
php artisan migrate:rollback --step=1
# Fresh DB (dangerous; dev only)
php artisan migrate:fresh --seed
Rules
- Pair each new model with a migration and a factory
- If a migration was merged to
main, never edit it—add a new one - On feature branches, you may amend migrations created on that branch (if not merged)
- Seed realistic but minimal datasets in seeder classes; keep huge datasets external
Factories
- Prefer state modifiers (e.g.,
->state([...])) over boolean flags - Use relationships (e.g.,
belongsTo) in factories to build realistic graphs - Keep factories fast; move expensive setup to seeds where possible
Testing
- Use factories in tests; avoid manual inserts
- For integration tests touching DB, use transactions or
RefreshDatabase
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