Update .gitlab-ci.yml file

1 job for master in 55 seconds (queued for 6 seconds)
latest
Status Name Job ID Coverage
  Build
failed build #165101

00:00:55

 
Name Stage Failure
failed
build Build
export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
export PWD='/builds/denzs/opsgenie_heartbeat'
export SHLVL='3'
$ test -z $CI_COMMIT_TAG || DOCKER_TAG=":$CI_COMMIT_TAG"
$ docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
error during connect: Post http://docker:2375/v1.40/auth: dial tcp: lookup docker on 10.3.64.34:53: no such host
Cleaning up file based variables
ERROR: Job failed: exit code 1