diff --git a/src/database/seed.ts b/src/database/seed.ts
index 4c98cb9..bcb155a 100644
--- a/src/database/seed.ts
+++ b/src/database/seed.ts
@@ -1,31 +1,21 @@
 import 'reflect-metadata';
-import { DataSource } from 'typeorm';
+import { AppDataSource } from './data-source';
 import { LevelThreshold } from '../character/entities/level-threshold.entity';
 
-const dataSource = new DataSource({
-  type: 'postgres',
-  url: process.env.DATABASE_URL ?? 'postgresql://tetardpg:password@localhost:5432/tetardpg',
-  entities: [LevelThreshold],
-  synchronize: false,
-});
-
 async function seed() {
-  await dataSource.initialize();
-  console.log('DB connectée');
+  await AppDataSource.initialize();
+  console.log('DB connectée (MySQL)');
 
-  const repo = dataSource.getRepository(LevelThreshold);
+  const repo = AppDataSource.getRepository(LevelThreshold);
   const existing = await repo.count();
 
   if (existing >= 100) {
     console.log('Level thresholds déjà seedés — skip');
-    await dataSource.destroy();
+    await AppDataSource.destroy();
     return;
   }
 
   // XP requis = 100 × level^1.5
-  // Level 1  : 100 XP
-  // Level 10 : 3162 XP
-  // Level 100: 1 000 000 XP
   const thresholds: LevelThreshold[] = Array.from({ length: 100 }, (_, i) => {
     const level = i + 1;
     const threshold = new LevelThreshold();
@@ -37,7 +27,7 @@ async function seed() {
   await repo.save(thresholds);
   console.log('✅ 100 level_thresholds seedés');
 
-  await dataSource.destroy();
+  await AppDataSource.destroy();
 }
 
 seed().catch((err) => {