Merge branch 'apk_git' into 'master'

Fixing dockerfile

See merge request escape2020/wp3/eossr!88

.gitlab-ci.yml

@@ -47,6 +47,7 @@ build_docker:
         - docker:19.03.12-dind
     before_script:
         - cat /etc/os-release  # "Alpine Linux v3.12"
+        - apk add --no-cache git
         - export LAST_RELEASE=`git ls-remote --tags --refs --sort="v:refname" $CI_PROJECT_URL.git | tail -n1 | sed 's/.*\///'`
         - echo $LAST_RELEASE
     script: