update jdk x86_64-ubuntu-jdk8u181-b13_openj9-0.9.0 and push latest hash (#77)

Author: csantanapr

core/java8/Dockerfile

@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-FROM adoptopenjdk/openjdk8-openj9:jdk8u162-b12_openj9-0.8.0
+FROM adoptopenjdk/openjdk8-openj9:x86_64-ubuntu-jdk8u181-b13_openj9-0.9.0
 
 RUN rm -rf /var/lib/apt/lists/* && apt-get clean && apt-get update \
 	&& apt-get install -y --no-install-recommends locales \

tools/travis/publish.sh

@@ -46,4 +46,15 @@ core:${RUNTIME}:distDocker \
 -PdockerRegistry=docker.io \
 -PdockerImagePrefix=${IMAGE_PREFIX} \
 -PdockerImageTag=${IMAGE_TAG}
+
+  # if doing latest also push a tag with the hash commit
+  if [ ${IMAGE_TAG} == "latest" ]; then
+  SHORT_COMMIT=`git rev-parse --short HEAD`
+  TERM=dumb ./gradlew \
+  core:${RUNTIME}:distDocker \
+  -PdockerRegistry=docker.io \
+  -PdockerImagePrefix=${IMAGE_PREFIX} \
+  -PdockerImageTag=${SHORT_COMMIT}
+  fi
+
 fi