Merge pull request #1 from nuest/master

update for automated build with version tags

Dockerfile

@@ -31,4 +31,16 @@ COPY index.js index.js
 COPY controllers controllers
 COPY controllers/bindings.js controllers/bindings.js 
 
+# Metadata http://label-schema.org/rc1/
+LABEL maintainer="o2r-project <https://o2r.info>" \
+  org.label-schema.vendor="o2r project" \
+  org.label-schema.url="http://o2r.info" \
+  org.label-schema.name="o2r bindings" \
+  org.label-schema.description="linking data, text, and code for research transparency" \    
+  org.label-schema.version=$VERSION \
+  org.label-schema.vcs-url=$VCS_URL \
+  org.label-schema.vcs-ref=$VCS_REF \
+  org.label-schema.build-date=$BUILD_DATE \
+  org.label-schema.docker.schema-version="rc1"
+
 CMD ["node", "index.js"]

hooks/build

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+PACKAGE_VERSION=$(sed -nE 's/^\s*"version": "(.*?)",$/\1/p' package.json)
+
+echo "Build hook running for version" $PACKAGE_VERSION
+docker build \
+  --build-arg VCS_REF=`git rev-parse --short HEAD` \
+  --build-arg VCS_URL=`git config --get remote.origin.url` \
+  --build-arg BUILD_DATE=`date -u +”%Y-%m-%dT%H:%M:%SZ”` \
+  --build-arg VERSION=$PACKAGE_VERSION \
+  -t $IMAGE_NAME .

hooks/post_push

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+PACKAGE_VERSION=$(sed -nE 's/^\s*"version": "(.*?)",$/\1/p' package.json)
+echo Add version tag using $PACKAGE_VERSION
+
+docker tag $IMAGE_NAME $DOCKER_REPO:$PACKAGE_VERSION
+docker push $DOCKER_REPO:$PACKAGE_VERSION