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commands/generate-migration.md

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+---
+description: Generate a Drizzle migration from schema changes
+---
+
+# Generate Database Migration
+
+Generate a new Drizzle migration file based on schema changes.
+
+## Instructions
+
+1. Check if drizzle-kit is configured (look for `drizzle.config.ts`)
+2. If not configured, offer to create the config file with proper Postgres settings
+3. Run the migration generation command:
+   - `bunx drizzle-kit generate:pg` or `bun run db:generate`
+4. Review the generated migration file in the migrations directory
+5. Remind the user to:
+   - Review the migration SQL before applying
+   - Run `bun run db:push` or the migration apply command
+   - Update the database
+
+## Drizzle Config Example
+
+```typescript
+import type { Config } from 'drizzle-kit'
+
+export default {
+  schema: './src/db/schema/*',
+  out: './drizzle',
+  driver: 'pg',
+  dbCredentials: {
+    connectionString: process.env.DATABASE_URL!,
+  },
+} satisfies Config
+```
+
+## Safety Checks
+
+- Warn if migration includes destructive operations (DROP, ALTER with data loss)
+- Suggest backing up production databases before applying
+- Check for proper environment variable configuration