Deployments: fix the extraction of commit number in docker.sh

build_scripts/docker/docker.sh

@@ -15,6 +15,8 @@ setup_build_dir() {
 
   copy_entrypoint_to_build_dir "$build_dir"
 
+  build_commit=$(git rev-parse --git-dir "$monkey_repo" --short HEAD)
+
   copy_monkey_island_to_build_dir "$monkey_repo/monkey" "$build_dir"
   copy_server_config_to_build_dir "$build_dir"
   modify_deployment "$deployment_type" "$build_dir"
@@ -40,9 +42,9 @@ build_package() {
   pushd ./docker
 
   if [ -n "$1" ]; then
-    version="v$(git rev-parse --short HEAD)"
-  else
     version="v$version"
+  else
+    version="v$build_commit"
   fi
 
   docker_image_name="guardicore/monkey-island:$version"