add .gitlab-ci.yml

3 jobs for master in 1 minute and 39 seconds (queued for 32 minutes)
latest
Status Job ID Name Coverage
  Build
passed #149262
docker
build_docker_image

00:01:27

failed #149260
docker
build_docker_image

00:00:30

 
  Release
passed #149261
docker
release_docker_image

00:00:12