diff --git a/package.json.bak b/package.json.bak
new file mode 100644
index 0000000..a4ca89b
--- /dev/null
+++ b/package.json.bak
@@ -0,0 +1 @@
+backup
\ No newline at end of file
diff --git a/server/db.ts b/server/db.ts
index d4883c4..0cfd94f 100644
--- a/server/db.ts
+++ b/server/db.ts
@@ -8,16 +8,13 @@ if (!process.env.DATABASE_URL) {
   );
 }
 
-// Configuration de connexion avec support Unix socket pour PostgreSQL local
-const connectionConfig = {
-  user: process.env.PGUSER,
-  password: process.env.PGPASSWORD,
-  database: process.env.PGDATABASE,
-  host: '/home/runner/postgres_data/socket',
-  port: 5432,
-  ssl: false // Désactiver SSL pour PostgreSQL local
-};
-
-export const pool = new Pool(connectionConfig);
+// Configuration pour production avec DATABASE_URL
+export const pool = new Pool({
+  connectionString: process.env.DATABASE_URL,
+  ssl: process.env.NODE_ENV === 'production' ? { rejectUnauthorized: false } : false,
+  max: 20, // Maximum number of clients in the pool
+  idleTimeoutMillis: 30000, // Close idle clients after 30 seconds
+  connectionTimeoutMillis: 2000, // Return an error after 2 seconds if connection cannot be established
+});
 
 export const db = drizzle(pool, { schema });
\ No newline at end of file
diff --git a/server/storage.ts b/server/storage.ts
index 0d9cb85..bf45607 100644
--- a/server/storage.ts
+++ b/server/storage.ts
@@ -679,5 +679,7 @@ class MemStorageWithBackup extends MemStorage {
   }
 }
 
-// Use in-memory storage with backup functionality for now
-export const storage = new MemStorageWithBackup();
+// Use PostgreSQL storage in production, in-memory for development
+export const storage = process.env.NODE_ENV === 'production' 
+  ? new DatabaseStorage() 
+  : new MemStorageWithBackup();