diff --git a/Dockerfile b/Dockerfile
index d3548cc..f39ea3c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM debian:bookworm-slim
 
-ENV HUGO_VERSION $HUGO_VERSION
-ENV WEBHOOK_VERSION $WEBHOOK_VERSION
+ARG HUGO_VERSION=$HUGO_VERSION
+ARG WEBHOOK_VERSION=$WEBHOOK_VERSION
 ENV DEBIAN_FRONTEND=noninteractive
 
 # Install dependencies
diff --git a/docker-compose.yml b/docker-compose.yml
index 379129a..799fde5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,6 +8,3 @@ services:
       - "1313:1313"   # hugo server
       - "9000:9000"   # webhook listener
     restart: unless-stopped
-
-volumes:
-  site-data: