Tag the httpd image.

Both latest and buster tags.

.gitlab-ci.yml

@@ -62,12 +62,12 @@ push-cgit:
     - job: build-cgit
       artifacts: true
 
-# httpd image:
+# httpd latest image:
 
 build-httpd:
   extends: .build
   variables:
-    CONTEXT: httpd
+    CONTEXT: httpd/buster
 
 push-httpd:
   extends: .push
@@ -76,3 +76,14 @@ push-httpd:
   needs:
     - job: build-httpd
       artifacts: true
+
+# httpd buster image:
+
+push-httpd-buster:
+  extends: .push
+  variables:
+    IMAGE: httpd
+    TAG: buster
+  needs:
+    - job: build-httpd
+      artifacts: true