Added a way to publish images (and reference for others)

Author: archis-polyverse

7.2/stretch/apache/publish-image.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+image="polyverse/ps-php7.2-apache"
+
+echo "$(date) Obtaining current git sha for tagging the docker image"
+headsha=$(git rev-parse --verify HEAD)
+
+
+docker build -t $image:$headsha .
+docker push $image:$headsha
+
+echo "Pushing as latest tag..."
+docker tag $image:$headsha $image:latest
+docker push $image:latest
+