Resolve "Include registry container with images.tar.gz"

Adds a registry container to the synker file for better airgappiness. Check the issue.

Closes #244 (closed)

.gitlab-ci.yml

@@ -115,9 +115,13 @@ clean install:
     # Fetch list of all images ran
     - cid=$(docker ps -aqf "name=k3d-${CI_JOB_ID}-server-0")
     - docker exec $cid crictl images -o json | jq -r '.images[].repoTags[0] | select(. != null)' | tee images.txt
+
+    # Grab registry image for airgap
+    - docker save -o registry.tar registry:2
   artifacts:
     paths:
       - images.txt
+      - registry.tar
     expire_in: 7 days
 
 upgrade:
@@ -327,6 +331,7 @@ package:
     - synker pull -b=1
     # Tar up synker as well?
     - cp /usr/local/bin/synker synker.yaml /var/lib/registry/
+    - mv registry.tar /var/lib/registry/
     - tar -C /var/lib/registry -czvf $IMAGE_PKG .
     - tar -czvf $IMAGE_PKG /var/lib/registry
     # Package dependent repos