Merge branch '12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry' into 'develop'

Resolve "Create a pipeline to build and publish the docker image in gitlab registry"

See merge request !7

Merge branch 'develop' into '12-create-a-pipeline-to-build-and-publish-the-docker-image-in-gitlab-registry'

# Conflicts:
#   .gitlab-ci.yml