diff --git a/backend/src/index.ts b/backend/src/index.ts
index 9869acb..6c72ec3 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -4,7 +4,7 @@ import cors from 'cors';
 import helmet from 'helmet';
 import path from 'path';
 import fs from 'fs';
-import { Pool } from 'pg';
+import bcrypt from 'bcryptjs';
 import { config } from './config';
 import { db, testConnection } from './db';
 
@@ -55,6 +55,23 @@ async function runMigration(): Promise<void> {
   console.log('✅ Migration terminée');
 }
 
+async function runInitUsers(): Promise<void> {
+  const users = [
+    { name: 'Greg', email: process.env.GREG_EMAIL || 'greg@example.com', password: process.env.GREG_PASSWORD || 'changeme' },
+    { name: 'Gaël', email: process.env.GAEL_EMAIL || 'gael@example.com', password: process.env.GAEL_PASSWORD || 'changeme' },
+  ];
+  for (const user of users) {
+    const hash = await bcrypt.hash(user.password, 12);
+    await db.query(
+      `INSERT INTO users (name, email, password_hash)
+       VALUES ($1, $2, $3)
+       ON CONFLICT (email) DO NOTHING`,
+      [user.name, user.email, hash]
+    );
+    console.log(`  ✅ Utilisateur prêt : ${user.name} <${user.email}>`);
+  }
+}
+
 async function waitForDb(maxAttempts = 30, delayMs = 2000): Promise<void> {
   for (let i = 1; i <= maxAttempts; i++) {
     try {
@@ -93,6 +110,7 @@ async function start() {
     try {
       await waitForDb();
       await runMigration();
+      await runInitUsers();
       console.log('✅ Base de données prête');
     } catch (err: any) {
       console.error('⚠️  Initialisation DB échouée (non bloquant):', err.message);
diff --git a/docker-compose.yml b/docker-compose.yml
index 4884db1..4a71a78 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ services:
       POSTGRES_USER:     notesfrais
       POSTGRES_PASSWORD: 9a3dabd70bb1e09f09962a95bdaffbeacdc56eeee029334b
     volumes:
-      - pgdata2:/var/lib/postgresql/data
+      - pgdata3:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U notesfrais -d notesfrais"]
       interval: 5s
@@ -31,6 +31,10 @@ services:
       APP_SECRET:  bbec693632ddd25adeefaddfa64a3e8e1245a97f530cb492f1d3f496ae3a1936
       UPLOADS_DIR:          /app/uploads
       FRONTEND_URL:         https://frais.domench.fr
+      GAEL_EMAIL:           waltergael@1dotech.com
+      GAEL_PASSWORD:        Changeme123!
+      GREG_EMAIL:           greg@domench.fr
+      GREG_PASSWORD:        Changeme123!
     volumes:
       - uploads:/app/uploads
     depends_on:
@@ -74,5 +78,5 @@ networks:
     external: true
 
 volumes:
-  pgdata2:
+  pgdata3:
   uploads: