Extend list of file changes for CI build of the varnish image.

.gitlab-ci.yml

@@ -78,12 +78,21 @@ build:klarlack:manual:
   extends: .build-klarlack
   when: manual
 
-# build new varnish image if dockerfile changes
+# build new varnish image after changes in: dockerfile, exec script,
+# varnishd -I init script, initial VCLs, repo lists
 build:varnish:
   extends: .build-varnish
   rules:
     - changes:
       - container/Dockerfile.varnish
+      - container/varnishd_exec.sh
+      - container/start.cli
+      - container/bogo_backend.vcl
+      - container/boot.vcl
+      - container/notavailable.vcl
+      - container/ok.vcl
+      - container/uplex_varnish.repo
+      - container/varnishcache_varnish63.repo
 
 # varnish image can be build when user triggers it
 build:varnish:manual: