diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..76a8e44
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+/vendor
+/var
diff --git a/misc/images/app-standalone/Dockerfile b/misc/images/app-standalone/Dockerfile
index c15dd64..18c36f3 100644
--- a/misc/images/app-standalone/Dockerfile
+++ b/misc/images/app-standalone/Dockerfile
@@ -1,3 +1,3 @@
-ARG ADDITIONAL_PACKAGES="<packages_list>"
+ARG ADDITIONAL_PACKAGES="tree"
 
-FROM reg.cadoles.com/cadoles/symfony:alpine-php-8.1-standalone
\ No newline at end of file
+FROM reg.cadoles.com/cadoles/symfony:alpine-php-8.1-standalone