fix dockerfile

4 jobs for master in 2 minutes and 41 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
canceled #77733
docker-arm
build-arm

00:02:41

canceled #77732
docker
build-x86

00:02:40

 
  Deploy
canceled #77735
docker
deploy_branch

canceled #77734
docker
deploy_latest