tag the image with bip's NVR

Dockerfile

@@ -14,7 +14,7 @@ RUN dnf update -y --refresh && \
 RUN sed -i 's/^#ip/ip/' /etc/bip.conf && \
     sed -i 's/^#port/port/' /etc/bip.conf
 
-VOLUME /var/run/bip
+VOLUME ["/var/run/bip"]
 USER bip
 EXPOSE 7778
 ENV HOME=/var/run/bip

Makefile

@@ -4,7 +4,18 @@ IMAGE	?= fedora
 TAG	?= 29
 
 .PHONY: image
-image: .digest
+image: .nvr
+	$(CTR) tag $(OUTPUT) $(OUTPUT):$(shell cat .nvr)
+
+.PHONY: .nvr
+.nvr: latest
+	$(CTR) run \
+		-it \
+		--rm \
+		$(OUTPUT) \
+		rpm -q bip | tee $@
+
+latest: .digest
 	$(CTR) build \
 		--build-arg "IMAGE=$(IMAGE)" \
 		--build-arg "IMAGE_TAG=$(TAG)" \
@@ -15,5 +26,6 @@ image: .digest
 pull:
 	$(CTR) pull $(IMAGE):$(TAG)
 
+.PHONY: .digest
 .digest: pull
 	$(CTR) images --digests --format "{{.Digest}}" $(IMAGE):$(TAG) | head -1 | tee $@