chore(image): replace release script with extra tagging in makefile

Author: aptmac

Makefile

@@ -49,8 +49,13 @@ endif
 # Set the Operator SDK version to use. By default, what is installed on the system is used.
 # This is useful for CI or a project to utilize a specific version of the operator-sdk toolkit.
 OPERATOR_SDK_VERSION ?= v1.42.2
+
+# Get git commit hash for tagging
+GIT_COMMIT ?= $(shell git rev-parse --short=7 HEAD)
+
 # Image URL to use all building/pushing image targets
 IMG ?= $(IMAGE_TAG_BASE):$(VERSION)
+IMG_COMMIT ?= $(IMAGE_TAG_BASE):$(GIT_COMMIT)
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -138,12 +143,13 @@ run: manifests generate fmt vet ## Run a controller from your host.
 # (i.e. docker build --platform linux/arm64). However, you must enable docker buildKit for it.
 # More info: https://docs.docker.com/develop/develop-images/build_enhancements/
 .PHONY: docker-build
-docker-build: ## Build docker image with the manager.
-	$(CONTAINER_TOOL) build -t ${IMG} .
+docker-build: ## Build docker image with the manager, tagged with both VERSION and commit hash.
+	$(CONTAINER_TOOL) build -t ${IMG} -t ${IMG_COMMIT} .
 
 .PHONY: docker-push
-docker-push: ## Push docker image with the manager.
+docker-push: ## Push docker image with the manager (both VERSION and commit hash tags).
 	$(CONTAINER_TOOL) push ${IMG}
+	$(CONTAINER_TOOL) push ${IMG_COMMIT}
 
 # PLATFORMS defines the target platforms for the manager image be built to provide support to multiple
 # architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to: