first commit

backend/drizzle.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from 'drizzle-kit';
+
+const dbType = process.env.DB_TYPE || 'sqlite';
+
+export default defineConfig({
+  schema: './src/db/schema.ts',
+  out: './drizzle',
+  dialect: dbType === 'postgres' ? 'postgresql' : 'sqlite',
+  dbCredentials: dbType === 'postgres' 
+    ? {
+        url: process.env.DATABASE_URL || 'postgresql://localhost:5432/spanglish',
+      }
+    : {
+        url: process.env.DATABASE_URL || './data/spanglish.db',
+      },
+});