test(docker.yml): Adds custom_tag definition for dspace-cris-dependencies

ref: DSC-2193

Author: vins01-4science

.github/workflows/reusable-docker-build.yml

@@ -61,8 +61,9 @@ env:
   # For a pull request, use the name of the base branch that the PR was created against or "latest" (for main).
   #   e.g. PR against 'main' will use "latest". a PR against 'dspace-7_x' will use 'dspace-7_x'.
   IMAGE_TAGS: |
-    type=raw,value=latest,enable=${{ github.ref_name == github.event.repository.default_branch }}
-    type=ref,event=branch,enable=${{ github.ref_name != github.event.repository.default_branch }}
+    type=raw,value=${{inputs.custom_tag}},enable=${{ inputs.custom_tag && github.ref_name == github.event.repository.default_branch }}
+    type=raw,value=latest,enable=${{ inputs.custom_tag === '' && github.ref_name == github.event.repository.default_branch }}
+    type=ref,event=branch,enable=${{ inputs.custom_tag === '' && github.ref_name != github.event.repository.default_branch }}
     type=ref,event=tag
     type=raw,value=${{ (github.event.pull_request.base.ref == github.event.repository.default_branch && 'latest') || github.event.pull_request.base.ref }},enable=${{ github.event_name == 'pull_request' }}
   # Define default tag "flavor" for docker/metadata-action per
@@ -142,8 +143,7 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.DOCKER_BUILD_REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            ${{ inputs.custom_tag && format('type=raw,value={0}', inputs.custom_tag) || env.IMAGE_TAGS }}
+          tags: ${{ env.IMAGE_TAGS }}
           flavor: ${{ env.TAGS_FLAVOR }}
 
       #--------------------------------------------------------------------