Draft: Resolve "Zenodo Sandbox integration for PID (e.g. DOI)"

Closes #89

.docker/release

+#!/bin/bash
+
+USER="fairdataaustria"
+VERSION=$1
+
+# usage
+if [ $# -ne 1 ]; then
+  echo "USAGE: ./release VERSION"
+  echo "                 (e.g. 1.0.0-alpha)"
+  exit 1
+fi
+
+# check tag exists
+TAG=$(git tag -n | awk '{print $1}' | grep -o "^v${VERSION}\$")
+if [ -z $TAG ]; then
+  echo "FAIL: could not find version 'v${VERSION}' in git tags"
+  exit 2
+fi
+
+# build
+git checkout ${VERSION}
+docker-compose build fda-metadata-db
+docker-compose build --parallel
+
+# login
+echo "Authentication required for user ${USER} at docker.io (docker hub)"
+docker login docker.io -u $USER
+
+# tag
+IMAGE=$(ls -d fda-*)
+for DIR in $IMAGE
+do
+#  CHECK=$(docker images "${USER}/${IMAGE}:${VERSION}" -q)
+#  if [ ! -z $CHECK ]; then
+#    echo "CHECK ${DIR}: tag ${USER}/${IMAGE}:${VERSION} already exists locally"
+#    exit 3
+#  fi
+  echo "TAG ${DIR}"
+  docker tag ${IMAGE}:latest ${USER}/${IMAGE}:${VERSION}
+  docker push ${USER}/${IMAGE}:${VERSION}
+done