dockerfile: enable x86

3 jobs for enable-x86 in 22 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #448
docker-alpine s390x
build-s390x

00:00:21

passed #450
docker-alpine x86
build-x86

00:00:19

passed #449
docker-alpine x86_64
build-x86_64

00:00:17