Fixed Makefile issues present on ubuntu

Makefile

@@ -1,9 +1,6 @@
 #!make
 SHELL := /bin/bash
 
-export API_VERSION = $(shell awk -F ' = ' '$$1 ~ /package.version/ { gsub(/[\"]/, "", $$2); printf("%s",$$2) }' api/Cargo.toml)
-export UI_VERSION := $(shell awk -F'"' '/"version"/ { print $$4 }' ui/package.json)
-
 include .env
 -include .env.local
 export
@@ -105,7 +102,7 @@ build: ## Build a specific docker image (`make build f=httpd`)
 	--load \
 	--build-arg BUILD_DATE=$$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
 	--build-arg BUILD_VERSION=${version} \
-	--build-arg VCS_REF=$$(git rev-parse head) \
+	--build-arg VCS_REF=$$(git rev-parse HEAD) \
 	${folder}
 
 docker-build: build