First try

docker-compose.yml

@@ -1,6 +1,10 @@
 services:
   site:
-    build: ./
+    build:
+      context: .
+      args:
+        HUGO_VERSION: ${HUGO_VERSION}
+        WEBHOOK_VERSION: ${WEBHOOK_VERSION}
     container_name: hugo-webhook
     env_file:
       - .env