add docker-build-worker target in Makefile

Makefile

@@ -97,14 +97,18 @@ run: manifests generate fmt vet ## Run a controller from your host.
 # More info: https://docs.docker.com/develop/develop-images/build_enhancements/
 .PHONY: docker-build
 docker-build: test ## Build docker image with the manager.
-	docker build -t ${IMG} .
+	docker build -t ${IMG} -f cmd/Dockerfile .
+
+.PHONY: docker-build-worker
+docker-build-worker: test ## Build docker image with worker.
+	docker build -t worker:latest -f cmd/worker/Dockerfile .
 
 .PHONY: docker-push
 docker-push: ## Push docker image with the manager.
 	docker push ${IMG}
 
 # PLATFORMS defines the target platforms for  the manager image be build to provide support to multiple
-# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
+# architectures. (i.e. make docker-buildx IMG=myregistry/myoperator:0.0.1). To use this option you need to:
 # - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
 # - have enable BuildKit, More info: https://docs.docker.com/develop/develop-images/build_enhancements/
 # - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> then the export will fail)