Pull the images to use cache-from

Signed-off-by: NRenaud Gaubert <rgaubert@nvidia.com>

.gitlab-ci.yml

@@ -17,7 +17,8 @@ variables:
     - apk add make
 
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-    - make REGISTRY=${CI_REGISTRY_IMAGE} ${OS} 
+    - make REGISTRY=${CI_REGISTRY_IMAGE} pull${OS}
+    - make REGISTRY=${CI_REGISTRY_IMAGE} ${OS}
     - make REGISTRY=${CI_REGISTRY_IMAGE} push${OS}
   artifacts:
     expire_in: 1 week

Makefile

@@ -20,6 +20,9 @@ all: ubuntu18.04 ubuntu16.04 debian10 debian9 centos7 amzn2 amzn1 opensuse-leap1
 push%:
 	$(DOCKER) push "$(REGISTRY)/runtime/$*"
 
+pull%:
+	$(DOCKER) pull "$(REGISTRY)/runtime/$*"
+
 ubuntu%: ARCH := amd64
 ubuntu%:
 	$(DOCKER) build --pull \