Build docker image without cache

Makefile

@@ -10,7 +10,7 @@ clean:
 	find . -name '*.pyc' -exec rm {} \;
 
 build: clean
-	docker build $(ROOT_DIR) -t $(TAG):$(VERSION)
+	docker build --no-cache $(ROOT_DIR) -t $(TAG):$(VERSION)
 
 publish-version: require-docker-auth
 	$(MAKE) build TAG=registry.gitlab.com/arkindex/backend