diff --git a/docker-compose.yml b/docker-compose.yml
index d632efe..347403e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,10 +2,8 @@ services:
   app:
     image: ${IMAGE}
     ports:
-      - "${APP_PORT}:3000"
+      - "${APP_PORT}:4321"
     environment:
-      - HOST=0.0.0.0
-      - PORT=3000
       - SMTP_HOST=${SMTP_HOST}
       - SMTP_PORT=${SMTP_PORT}
       - SMTP_USER=${SMTP_USER}