Prepare to use k8s image registry for releases

Makefile

@@ -13,7 +13,9 @@
 # limitations under the License.
 
 # Image URL to use all building/pushing image targets
-IMG ?= ghcr.io/telekom/cluster-api-ipam-provider-in-cluster
+IMG ?= gcr.io/k8s-staging-capi-ipam-ic/cluster-api-ipam-provider-in-cluster
+TAG ?= $(shell cat TAG)
+
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.26
 
@@ -93,12 +95,12 @@ run: manifests generate fmt vet ## Run a controller from your host.
 	go run ./main.go
 
 .PHONY: docker-build
-docker-build: test licenses-report ## Build docker image with the manager.
-	docker build -t ${IMG} .
+docker-build: licenses-report ## Build docker image with the manager.
+	docker build -t ${IMG}:$(TAG) .
 
 .PHONY: docker-push
 docker-push: ## Push docker image with the manager.
-	docker push ${IMG}
+	docker push ${IMG}:$(TAG)
 
 ##@ Release
 

TAG

@@ -0,0 +1 @@
+v0.1.0-alpha.2

cloudbuild.yaml

@@ -0,0 +1,26 @@
+# See https://cloud.google.com/cloud-build/docs/build-config
+
+timeout: 1800s
+options:
+  substitution_option: ALLOW_LOOSE
+steps:
+  - name: 'gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20211118-2f2d816b90'
+    entrypoint: bash
+    env:
+      - DOCKER_CLI_EXPERIMENTAL=enabled
+      - IMG=gcr.io/k8s-staging-capi-ipam-ic/cluster-api-ipam-provider-in-cluster
+      - REPO_INFO=https://github.com/kubernetes-sigs/cluster-api-ipam-provider-in-cluster
+      - COMMIT_SHA=$_PULL_BASE_SHA
+      - BUILD_ID=$BUILD_ID
+      - HOME=/root
+      - USER=root
+    args:
+    - -c
+    - |
+      gcloud auth configure-docker \
+      && make docker-build \
+      && make docker-push
+substitutions:
+  _GIT_TAG: "12345"
+  _PULL_BASE_REF: "main"
+  _PULL_BASE_SHA: '12345'