OpenBuildService client image

.gitlab-ci.yml

 image: gitlab.fit.cvut.cz:5000/ict/alpine-docker-images/ci:3.8
+stages:
+  - build
+
 .docker: &docker_template
   cache: {}  # disable
+  stage: build
   variables:
     DOCKER_DRIVER: overlay2
     DOCKER_HOST: docker
-    DIRECTORY: "${CI_JOB_NAME#build:}"
-    IMAGE_NAME: "${CI_REGISTRY_IMAGE}/${CI_JOB_NAME#build:}:latest"
   services:
     - docker:dind
   before_script:
@@ -14,11 +16,14 @@ image: gitlab.fit.cvut.cz:5000/ict/alpine-docker-images/ci:3.8
     - docker info
     - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
   script:
-    - cd "$DIRECTORY"
+    - IMAGE="${CI_JOB_NAME#build:}"
+    - IMAGE_NAME="${CI_REGISTRY_IMAGE}/${IMAGE}:latest"
+    - cd "$IMAGE"
+    - echo "In dir=$(pwd), going to build imagename=${IMAGE_NAME}"
     - docker build -t "$IMAGE_NAME" .
     - docker run   -t "$IMAGE_NAME"
     - docker push  -t "$IMAGE_NAME"
   dependencies: []
-build:ocs
+build:ocs:
   <<: *docker_template