[tracker-oci-images/sam/show-image-size] Show image list in CI after build completes

[Sam Thursfield <sthursfield src gnome org>]

commit a75f3bb87b685df27e2266afefdd9eb2f7f3126c
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Jul 10 14:19:50 2019 +0100

    Show image list in CI after build completes
    
    The output of `docker image list` includes the size of each image,
    which is useful when evaluating new MRs.

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69a2d1b..39937f5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,7 @@ stages:
 .base_template: &base_build
     script:
         - cd ${DIR}
+        - docker images
         - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
         - docker build --pull -f ${OCI_YML} -t ${IMAGE} .
         - |