diff --git a/.env.example b/.env.example
index 1eb4cd4..4fff29f 100644
--- a/.env.example
+++ b/.env.example
@@ -6,6 +6,7 @@ WHATSAPP_COMMUNITY_ID="example-community-id@g.us"
 CHATBOT_PHONE_NUMBER="1234567890"
 PORT="3007"
 WEBHOOK_URL="https://example-url.com/webhook"
+NODE_ENV="production"
 
 # Group sync interval in milliseconds (default: 24h = 86400000ms)
 # - Set lower during development (e.g. 60000 = 1 minute)