Dockerfile update

Dockerfile

@@ -1,6 +1,13 @@
 # Patch and build Olena from Git, then
 # Install OCR-D wrapper for binarization
-FROM ocrd/core
+FROM docker.io/ocrd/core:v2.62.0 AS base
+ARG VCS_REF
+ARG BUILD_DATE
+LABEL \
+    maintainer="https://github.com/OCR-D/ocrd_olena/issues" \
+    org.label-schema.vcs-ref=$VCS_REF \
+    org.label-schema.vcs-url="https://github.com/OCR-D/ocrd_olena" \
+    org.label-schema.build-date=$BUILD_DATE
 
 MAINTAINER OCR-D
 
@@ -26,7 +33,3 @@ RUN apt-get update && \
 
 WORKDIR /data
 VOLUME /data
-
-#ENTRYPOINT ["/usr/bin/ocrd-olena-binarize"]
-#CMD ["--help"]
-CMD ["/usr/bin/ocrd-olena-binarize", "--help"]

Makefile

@@ -151,8 +151,14 @@ clean:
 	$(RM) -r test/assets
 
 docker: build-olena.dockerfile Dockerfile
-	docker build -t $(DOCKER_TAG):build-olena -f build-olena.dockerfile .
-	docker build -t $(DOCKER_TAG) .
+	docker build \
+	--build-arg VCS_REF=$$(git rev-parse --short HEAD) \
+	--build-arg BUILD_DATE=$$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
+	-t $(DOCKER_TAG):build-olena -f build-olena.dockerfile .
+	docker build \
+	--build-arg VCS_REF=$$(git rev-parse --short HEAD) \
+	--build-arg BUILD_DATE=$$(date -u +"%Y-%m-%dT%H:%M:%SZ") \
+	-t $(DOCKER_TAG) .
 
 .PHONY: build-olena clean-olena deps deps-ubuntu help install install-tools test clean docker
 

build-olena.dockerfile

@@ -1,5 +1,12 @@
 # Patch and build Olena from Git
 FROM ubuntu:18.04
+ARG VCS_REF
+ARG BUILD_DATE
+LABEL \
+    maintainer="https://github.com/OCR-D/ocrd_olena/issues" \
+    org.label-schema.vcs-ref=$VCS_REF \
+    org.label-schema.vcs-url="https://github.com/OCR-D/ocrd_olena" \
+    org.label-schema.build-date=$BUILD_DATE
 
 MAINTAINER OCR-D