Merge branch 'gitlab-runner-community' into 'master'

Dockerfile: use gitlab-runner from community

See merge request !3
7 jobs for master in 1 minute and 45 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #390
docker-alpine s390x
build-s390x

00:00:20

passed #391
docker-alpine x86_64
build-x86_64

00:00:20

 
  Upload
passed #395
docker-alpine s390x
upload-s390x

00:00:30

passed #396
docker-alpine x86_64
upload-x86_64

00:00:32

failed #392
docker-alpine s390x
upload-s390x

00:00:17

failed #393
x86_64 docker-alpine
upload-x86_64

00:00:18

 
  Manifest
passed #394
docker-alpine
create-manifest

00:00:20