Update .gitlab-ci.yml

3 jobs for master in 2 minutes and 28 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #2906
docker
build

00:00:41

 
  Test
passed #2907
docker
int-test

00:00:51

 
  Deploy
failed #2908
docker
docker-build

00:00:55

 
Name Stage Failure
failed
docker-build Deploy There is an unknown failure, please try again
pom.xml
src
target
$ docker --version
Docker version 18.05.0-ce, build f150324
$ docker build -t 'demo-app:1.0.0' ./
time="2018-05-18T15:37:33Z" level=error msg="failed to dial gRPC: cannot connect to the Docker daemon. Is 'docker daemon' running on this host?: dial tcp: lookup docker-service on 8.8.8.8:53: no such host"
context canceled
ERROR: Job failed: exit code 1