diff --git a/config/database-loader.js b/config/database-loader.js
new file mode 100644
index 0000000..2e1435d
--- /dev/null
+++ b/config/database-loader.js
@@ -0,0 +1,22 @@
+// Chargeur automatique de base de données (SQLite ou PostgreSQL)
+const logger = require('./logger');
+
+// Détecter le type de base de données
+const DB_TYPE = process.env.DB_TYPE || 'sqlite';
+const DATABASE_URL = process.env.DATABASE_URL;
+
+logger.info(`Configuration de base de données: ${DB_TYPE}`);
+
+// Charger le module approprié
+let databaseModule;
+
+if (DB_TYPE === 'postgres' || DATABASE_URL?.startsWith('postgresql://')) {
+  logger.info('Chargement de la configuration PostgreSQL');
+  databaseModule = require('./database-postgres');
+} else {
+  logger.info('Chargement de la configuration SQLite');
+  databaseModule = require('./database');
+}
+
+// Exporter toutes les fonctions du module chargé
+module.exports = databaseModule;
diff --git a/routes/auth.routes.js b/routes/auth.routes.js
index f0bb807..1ff6e10 100644
--- a/routes/auth.routes.js
+++ b/routes/auth.routes.js
@@ -4,7 +4,7 @@ const router = express.Router();
 const bcrypt = require('bcrypt');
 const { body, validationResult } = require('express-validator');
 
-const { getOne } = require('../config/database');
+const { getOne } = require('../config/database-loader');
 const { generateToken, authenticateToken } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/calendar.routes.js b/routes/calendar.routes.js
index 82eea6b..21313d7 100644
--- a/routes/calendar.routes.js
+++ b/routes/calendar.routes.js
@@ -2,7 +2,7 @@
 const express = require('express');
 const router = express.Router();
 const { google } = require('googleapis');
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/notes.routes.js b/routes/notes.routes.js
index 4960f7b..3b88977 100644
--- a/routes/notes.routes.js
+++ b/routes/notes.routes.js
@@ -6,7 +6,7 @@ const path = require('path');
 const fs = require('fs');
 const { body, validationResult } = require('express-validator');
 
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/openrouter.routes.js b/routes/openrouter.routes.js
index 42a43e8..59b242f 100644
--- a/routes/openrouter.routes.js
+++ b/routes/openrouter.routes.js
@@ -2,7 +2,7 @@
 const express = require('express');
 const router = express.Router();
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
-const { getOne } = require('../config/database');
+const { getOne } = require('../config/database-loader');
 const logger = require('../config/logger');
 
 // Cache pour les modèles (rafraîchi toutes les heures)
diff --git a/routes/rss.routes-v2.js b/routes/rss.routes-v2.js
index aee90eb..4b3a289 100644
--- a/routes/rss.routes-v2.js
+++ b/routes/rss.routes-v2.js
@@ -3,7 +3,7 @@ const express = require('express');
 const router = express.Router();
 const Parser = require('rss-parser');
 const axios = require('axios');
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/rss.routes.js b/routes/rss.routes.js
index aee90eb..4b3a289 100644
--- a/routes/rss.routes.js
+++ b/routes/rss.routes.js
@@ -3,7 +3,7 @@ const express = require('express');
 const router = express.Router();
 const Parser = require('rss-parser');
 const axios = require('axios');
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/settings.routes.js b/routes/settings.routes.js
index 8943729..ede4272 100644
--- a/routes/settings.routes.js
+++ b/routes/settings.routes.js
@@ -1,7 +1,7 @@
 // Routes de gestion des paramètres
 const express = require('express');
 const router = express.Router();
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/todos.routes.js b/routes/todos.routes.js
index 20a93a5..31d2441 100644
--- a/routes/todos.routes.js
+++ b/routes/todos.routes.js
@@ -3,7 +3,7 @@ const express = require('express');
 const router = express.Router();
 const { body, validationResult } = require('express-validator');
 
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/routes/users.routes.js b/routes/users.routes.js
index 8973e4d..de19b63 100644
--- a/routes/users.routes.js
+++ b/routes/users.routes.js
@@ -4,7 +4,7 @@ const router = express.Router();
 const bcrypt = require('bcrypt');
 const { body, validationResult } = require('express-validator');
 
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const { authenticateToken, requireAdmin } = require('../middleware/auth');
 const logger = require('../config/logger');
 
diff --git a/server.js b/server.js
index 0b3128f..d1db284 100644
--- a/server.js
+++ b/server.js
@@ -7,7 +7,7 @@ const path = require('path');
 const fs = require('fs');
 
 const logger = require('./config/logger');
-const { initDatabase } = require('./config/database');
+const { initDatabase } = require('./config/database-loader');
 
 // Créer l'application Express
 const app = express();
diff --git a/services/rss-scheduler-v2.js b/services/rss-scheduler-v2.js
index 44617bf..32d3f3a 100644
--- a/services/rss-scheduler-v2.js
+++ b/services/rss-scheduler-v2.js
@@ -1,6 +1,6 @@
 // Service RSS NOUVEAU - Architecture simple et robuste
 const Parser = require('rss-parser');
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const logger = require('../config/logger');
 
 const parser = new Parser({
diff --git a/services/rss-scheduler.js b/services/rss-scheduler.js
index 44617bf..32d3f3a 100644
--- a/services/rss-scheduler.js
+++ b/services/rss-scheduler.js
@@ -1,6 +1,6 @@
 // Service RSS NOUVEAU - Architecture simple et robuste
 const Parser = require('rss-parser');
-const { getAll, getOne, runQuery } = require('../config/database');
+const { getAll, getOne, runQuery } = require('../config/database-loader');
 const logger = require('../config/logger');
 
 const parser = new Parser({