de-matrix per code review suggestions

Co-authored-by: Brian Lin <[email protected]>

Author: edquist

.github/workflows/build-container.yml

@@ -23,24 +23,19 @@ jobs:
     runs-on: ubuntu-latest
     needs: [make-date-tag]
     if: startsWith(github.repository, 'opensciencegrid/')
-    strategy:
-      fail-fast: False
-      matrix:
-        repo: ['latest']
     steps:
     - uses: actions/checkout@v2
 
     - name: Generate tag list
       id: generate-tag-list
       env:
-        REPO: ${{ matrix.repo }}
         TIMESTAMP: ${{ needs.make-date-tag.outputs.dtag }}
       run: |
         #docker_repo=${GITHUB_REPOSITORY/opensciencegrid\/docker-/opensciencegrid/}
         docker_repo=opensciencegrid/comanage-utils
         tag_list=()
         for registry in hub.opensciencegrid.org docker.io; do
-          for image_tag in "$REPO" "$REPO-$TIMESTAMP"; do
+          for image_tag in "latest" "latest-$TIMESTAMP"; do
             tag_list+=("$registry/$docker_repo":"$image_tag")
           done
         done