diff --git a/docker-compose.yml.sample b/docker-compose.yml.sample
index 93097e8..8e2ee7b 100644
--- a/docker-compose.yml.sample
+++ b/docker-compose.yml.sample
@@ -4,5 +4,7 @@ services:
     build: .
     restart: unless-stopped
     container_name: mailapi
+    env_file:
+      - .env
     ports:
       - "8080:8080/tcp"