LCDUNG.

image: docker:1.12
services:
 - docker:dind

stages:
 - build

variables: 
 CONTAINER_TEST_IMAGE: registry.gitlab.com/company/project:$CI_BUILD_REF_NAME
before_script:
 - docker info
build_image_job:
 stage: build
 script:
 - docker build -t $CONTAINER_TEST_IMAGE .
 - docker run $CONTAINER_TEST_IMAGE npm run test