message: also need to add intermediate images to the docker save command
diff: @@ -537,7 +537,7 @@ $(s3-save):
  # remove the prefix '[s3-save]-' first
  $(eval image = $(subst [s3-save]-,,$@))
  $(eval image = $(subst __,:,$(image)))
  - docker save $(CI_BUILD_TAG)/$(image) | gzip -9 | aws s3 cp - s3://lagoon-images/$(image).tar.gz
  + docker save $(CI_BUILD_TAG)/$(image) $$(docker history -q $(CI_BUILD_TAG)/$(image) | grep -v missing) | gzip -9 | aws s3 cp - s3://lagoon-images/$(image).tar.gz
  s3-load = $(foreach image,$(s3-images),[s3-load]-$(image))
  # save all images to s3
  