Test gitlab CI tags

.gitlab-ci.sh

+set -ex
+image_url="${CI_REGISTRY_IMAGE}"
+if [[ $(echo "$CI_COMMIT_TAG" | grep -E '^v[0-9]+.[0-9]+$') ]]; then
+    echo CI_COMMIT_TAG: "$CI_COMMIT_TAG";
+
+    docker pull "${image_url}:latest";
+    old_tag=$(docker run --rm "${image_url}:latest" bash -c 'echo $AERI_ARMORY_VERSION');
+    old_primaryv="$(echo ${old_tag%.*} | sed 's/v//')";
+    new_primaryv="$(echo ${CI_COMMIT_TAG%.*} | sed 's/v//')";
+    old_lesserv="${old_tag#*.}";
+    new_lesserv="${CI_COMMIT_TAG#*.}";
+
+    docker build --no-cache -f "${DOCKERFILE}" -t "${image_url}:latest" -t "${image_url}:${CI_COMMIT_TAG}" --build-arg AERI_ARMORY_VERSION="${CI_COMMIT_TAG}" ${IMAGE_DIR};
+    docker run --rm -v $PWD/tests:/tests "${image_url}:latest" test_suite.sh /tests;
+    docker push ${image_url}:${CI_COMMIT_TAG};
+    exit
+
+    if [[ -z "${old_tag}" ]]; then
+        docker push ${image_url}:latest;
+    elif [[ ${new_primaryv} -gt ${old_primaryv} ]]; then
+        docker push ${image_url}:latest;
+    elif [[ ${new_primaryv} -eq ${old_primaryv} ]] && [[ ${new_lesserv} -ge ${old_lesserv} ]]; then
+        docker push ${image_url}:latest;
+    fi;
+fi;

.gitlab-ci.yml

+# ref: https://gitlab.ssec.wisc.edu/ssec-dev/brown-bag/blob/master/.gitlab-ci.yml
+
+# Define environment variables for all stages
+variables:
+  # Tell docker images where the host docker daemon is
+  # and how to talk to it
+  DOCKER_TLS_CERTDIR: ""
+  DOCKER_HOST: "tcp://docker:2375"
+  GIT_SUBMODULE_STRATEGY: recursive
+
+# base template for docker-in-runner
+.docker_based_job:
+  image: docker:19.03.13
+  tags:
+    - docker
+    - ssec_shared
+  services:
+    - docker:19.03.13-dind
+  before_script:
+    - docker info
+    - docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY}
+
+# specialization to build an image and push back to registry with :latest and :githash versions
+.build_image:
+  extends: .docker_based_job
+  variables:
+    DOCKERFILE: "Dockerfile"
+    IMAGE_NAME: ""
+    IMAGE_DIR: ""
+  stage: build image
+  before_script:
+    - docker info
+    - docker login -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD} ${CI_REGISTRY}
+  script:
+    - ./.gitlab-ci.sh
+
+stages:
+  - build image
+
+# build aeri_armory when vx.x tags are pushed to master branch.
+build_image:
+  extends: .build_image
+  only:
+    - tags
+  except:
+    - branches
+  variables:
+    IMAGE_NAME: ""
+    IMAGE_DIR: "."
+    DOCKERFILE: "Dockerfile"
+