Switch dockerhub for Github's docker registry

.github/workflows/release-docker.yaml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v1
         with:
-          ref: main
+          ref: ${{ github.ref }}
 
       - name: Configure Git
         run: |
@@ -23,8 +23,8 @@ jobs:
       - name: Build and push docker images (make image)
         run: make image
         env:
-          DOCKER_USER: '${{ secrets.DOCKER_USER }}'
-          DOCKER_TOKEN: '${{ secrets.DOCKER_TOKEN }}'
+          DOCKER_USER: ${GITHUB_ACTOR}
+          DOCKER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Logout from dockerhub (make docker-logout)
         run: make docker-logout

Makefile

@@ -1,7 +1,8 @@
 # Image URL to use all building/pushing image targets;
 # Use your own docker registry and image name for dev/test by overridding the
 # IMAGE_REPO, IMAGE_NAME and IMAGE_TAG environment variable.
-IMAGE_REPO ?= marshallmarshall
+REPOSITORY_BASE ?= ghcr.io
+IMAGE_REPO ?= $(REPOSITORY_BASE)/ysoftdevs/imagepullsecret-injector
 IMAGE_NAME ?= imagepullsecret-injector
 GENERATOR_IMAGE_NAME ?= webhook-cert-generator
 
@@ -81,7 +82,7 @@ build-linux:
 image: docker-login build-image push-image
 
 docker-login:
-	@echo ${DOCKER_TOKEN} | docker login -u ${DOCKER_USER} --password-stdin
+	@echo "$(DOCKER_TOKEN)" | docker login -u "$(DOCKER_USER)" --password-stdin "$(REPOSITORY_BASE)"
 
 docker-logout:
 	@docker logout