add image build script

scripts/docker-build.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+
+IMAGE_PUSH="${1:---skip}"
+IMAGE_DEFAULT="${2:---skip}"
+
+IMAGE_NAME="${CI_PROJECT_PATH}"
+IMAGE_TAG="$(echo "${CI_COMMIT_TAG:-${CI_COMMIT_REF_SLUG}}" | sed -r 's/[^-_a-zA-Z0-9\\.]/-/g')"
+
+IMAGE_SHORT="${IMAGE_NAME}:${IMAGE_TAG}"
+IMAGE_FULL="${IMAGE_NAME}:${IMAGE_TAG}-${IMAGE_ARCH}"
+
+echo "Building image: ${IMAGE_FULL}"
+
+docker build -f "Dockerfile.${IMAGE_ARCH}" -t "${IMAGE_FULL}" .
+
+if [[ "${IMAGE_PUSH}" == "--push" ]];
+then
+  echo "Pushing image: ${IMAGE_FULL}"
+  docker push "${IMAGE_FULL}"
+fi
+
+if [[ "${IMAGE_DEFAULT}" == "--default" ]];
+then
+  echo "Pushing image (default architecture): ${IMAGE_SHORT}"
+  docker tag "${IMAGE_FULL}" "${IMAGE_SHORT}"
+  docker push "${IMAGE_SHORT}"
+fi