diff --git a/docker-compose.deploy.yml b/docker-compose.deploy.yml
index 479070d..faaa4ca 100644
--- a/docker-compose.deploy.yml
+++ b/docker-compose.deploy.yml
@@ -7,6 +7,8 @@ services:
     container_name: print-calculator-backend-${ENV}
     ports:
       - "${BACKEND_PORT}:8000"
+    env_file:
+      - .env
     environment:
       - DB_URL=${DB_URL}
       - DB_USERNAME=${DB_USERNAME}