fixed clean tag to use variable

Dockerfile

@@ -1,14 +1,6 @@
 ARG VERSION
-ARG BUILD_TIME
 FROM registry.opensuse.org/opensuse/tumbleweed:${VERSION}
 
-LABEL org.opencontainers.image.description=Image containing restic & openSSH, based on openSUSE Tumbleweed
-LABEL org.opencontainers.image.source=https://git.rre.nu/jonas/restic/src/tag/${VERSION}
-LABEL org.opencontainers.image.title=restic with openSSH based on openSUSE Tumpleweed
-LABEL org.opencontainers.image.url=https://git.rre.nu/jonas/-/packages/container/restic/${VERSION}
-LABEL org.opencontainers.image.created=${BUILD_TIME}
-
-
 RUN zypper --non-interactive install \
   openssh-clients \
   restic \

Makefile

@@ -6,11 +6,15 @@
 VERSION=20230411
 IMAGENAME=restic
 REPO=git.rre.nu/jonas
+TITLE=restic with openSSH based on openSUSE Tumpleweed
+DESC=Image containing restic & openSSH, based on openSUSE Tumbleweed
 
 BUILD_TIME := $(shell TZ=UTC date --iso-8601=ns)
 
 SHELL := /bin/bash
 
+default: build
+
 require_clean_git:
 	git update-index -q --ignore-submodules --refresh
 	git diff-files --quiet --ignore-submodules
@@ -23,17 +27,21 @@ require_clean_git:
 		exit 1; \
 	fi
 
-default: build
-
 build:
 	podman build \
-		--build-arg VERSION=$(VERSION) \
+		--build-arg VERSION="$(VERSION)" \
-		--build-arg BUILD_TIME=${BUILD_TIME} \
+		--label org.opencontainers.image.source="https://${REPO}/${IMAGENAME}/src/tag/${VERSION}" \
+		--label org.opencontainers.image.title="${TITLE}" \
+		--label org.opencontainers.image.description="${DESC}" \
+		--label org.opencontainers.image.created="$(shell TZ=UTC date --iso-8601=ns)" \
+		--label org.opencontainers.image.url="https://${REPO}/-/packages/container/${IMAGENAME}/${VERSION}" \
+		--label org.opencontainers.image.version="${VERSION}" \
+		--label org.opencontainers.image.vendor="Jonas Forsberg" \
 		--tag docker.io/bardak/restic:$(VERSION) \
 		.
 
 clean:
-	podman image rm docker.io/bardak/restic:$(VERSION)
+	podman image rm ${REPO}/${IMAGENAME}:$(VERSION)
 
 release: require_clean_git build
 	$(eval TMP_MESSAGE := $(shell podman run --rm -it ${REPO}/${IMAGENAME}:$(VERSION) /usr/bin/restic --version))