diff --git a/Makefile b/Makefile
index 51c1979..448961b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 -include secrets.mk
 include config.mk
+-include $(DEPLOY_CONFIG_OVERRIDE)
 include make-deploy/copy.mk
 include make-deploy/docker.mk
 include make-deploy/k8s.mk
@@ -7,7 +8,7 @@ include make-deploy/cron.mk
 include make-deploy/kustomize.mk
 include make-deploy/helm.mk
 
-.PHONY: self-update prepare build test deploy pre-deploy post-deploy pre-local post-local upload pull start stop restart reload
+.PHONY: self-update mandatory prerequisites prepare build test deploy pre-deploy post-deploy pre-local post-local upload pull start stop restart reload
 
 self-update:
 	@- git submodule update --remote
@@ -26,6 +27,10 @@ endif
                 fi; \
 	)
 
+prerequisites:
+	@- echo "\n### prerequisites ..."
+	@- ./prerequisites.sh
+	
 prepare:
 	@- echo "\n### preparing ..."
 	@- $(foreach host,$(DEPLOY_HOSTS), \