Try tagging the images

.gitlab-ci.yml

@@ -27,15 +27,16 @@ default:
           for TAG in "${COMMIT_TAGS[@]}"; do
               echo "${TAG}"
           done
-          alias_tags=("${COMMIT_TAGS[@]}")
+          TAGS=("${COMMIT_TAGS[@]}")
       else
-          alias_tags=("${BUILD_TAGS[@]}")
+          TAGS=("${BUILD_TAGS[@]}")
       fi
       echo "Generated the following build tags: "
       for TAG in "${BUILD_TAGS[@]}"; do
           echo "${TAG}"
       done
-      echo "alias_tags=${alias_tags[*]}"
+      echo "TAGS=${TAGS[*]}"
+    - buildah login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
 
 build:
   stage: build
@@ -45,4 +46,5 @@ build:
         - recipe-desktop.yml
         - recipe-framework.yml
   script:
-    - buildah build --build-arg=RECIPE=$RECIPE --build-arg=FEDORA_MAJOR_VERSION=$FEDORA_MAJOR_VERSION --build-arg BASE_IMAGE_URL=$BASE_IMAGE_URL .
+    - buildah build --build-arg=RECIPE=$RECIPE --build-arg=FEDORA_MAJOR_VERSION=$FEDORA_MAJOR_VERSION --build-arg BASE_IMAGE_URL=$BASE_IMAGE_URL . -t $CI_REGISTRY/$CI_PROJECT_NAMESPACE/$IMAGE_NAME:${TAGS}
+    - cosign sign -y --key $SIGNING_SECRET $CI_REGISTRY/$CI_PROJECT_NAMESPACE/$IMAGE_NAME@${TAGS}