refactor: update README and Dockerfile, add drizzle migrations and instrumentation

src/instrumentation.ts

@@ -0,0 +1,22 @@
+import { migrate } from 'drizzle-orm/better-sqlite3/migrator';
+import db from '@/lib/db';
+import { join } from 'path';
+
+export async function register() {
+  if (process.env.NEXT_RUNTIME === 'nodejs') {
+    try {
+      console.log('Running database migrations...');
+
+      const migrationsFolder = join(process.cwd(), 'drizzle');
+      
+      // Use Drizzle's built-in migrate function
+      migrate(db, { migrationsFolder });
+
+      console.log('✓ Database migrations completed successfully');
+    } catch (error) {
+      console.error('Failed to run database migrations:', error);
+      process.exit(1);
+    }
+  }
+}
+