Trigger image builds in gitlab CI when the Makefile changes.

.gitlab-ci.yml

@@ -57,12 +57,13 @@ test:
   script:
     - make check
 
-# build new haproxy image after changes in: dockerfile, haproxy config,
-# exec script, or repo list
+# build new haproxy image after changes in: makefile, dockerfile, haproxy
+# config, exec script, or repo list
 build:haproxy:
   extends: .build-haproxy
   rules:
     - changes:
+      - container/Makefile
       - container/Dockerfile.haproxy
       - container/haproxy.cfg
       - container/haproxy_exec.sh
@@ -72,12 +73,13 @@ build:haproxy:manual:
   extends: .build-haproxy
   when: manual
 
-# build new klarlack image after changes in: dockerfile, exec script,
+# build new klarlack image after changes in: makefile, dockerfile, exec script,
 # varnishd -I init script, initial VCLs
 build:klarlack:
   extends: .build-klarlack
   rules:
     - changes:
+      - container/Makefile
       - container/Dockerfile.varnish
       - container/varnishd_exec.sh
       - container/start.cli
@@ -99,6 +101,7 @@ build:ascn:
       optional: true
   rules:
     - changes:
+      - container/Makefile
       - container/Dockerfile.ascn
       - container/Dockerfile.varnish
       - container/varnishd_exec.sh
@@ -113,12 +116,13 @@ build:ascn:manual:
   extends: .build-ascn
   when: manual
 
-# build new varnish image after changes in: dockerfile, exec script,
+# build new varnish image after changes in: makefile, dockerfile, exec script,
 # varnishd -I init script, initial VCLs, repo lists
 build:varnish:
   extends: .build-varnish
   rules:
     - changes:
+      - container/Makefile
       - container/Dockerfile.varnish
       - container/varnishd_exec.sh
       - container/start.cli