Database Migrations

Manage schema changes with Prisma Migrate.

Update packages/database/src/prisma/schema.prisma, then create/apply a migration:

pnpm --filter "@kit/database" prisma:generate
pnpm --filter "@kit/database" prisma:migrate

This guide is part of the Database Configuration documentation.

Repo Conventions

Keep examples aligned with the current schema style in this repo:

  • ids are explicit String @id
  • ownership fields use camelCase such as organizationId
  • migrations live in packages/database/src/prisma/migrations

Example

model Project {
id String @id
name String
organizationId String
createdAt DateTime
organization Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
}

Then add the reverse relation on Organization and run the migration commands above.

Production

Use prisma migrate deploy in CI and production, not prisma migrate dev.

Common Pitfalls

  • editing old migration files
  • forgetting to commit new migrations
  • adding required columns to populated tables without a backfill plan

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