fix workflow: add latest

Author: christophdb

.github/workflows/build-image-on-push.yml

@@ -112,6 +112,7 @@ jobs:
           tags: |
             seatable/seatable-python-${{ needs.init-vars.outputs.component }}:commit-${{ steps.get_commit.outputs.short_sha }}
             seatable/seatable-python-${{ needs.init-vars.outputs.component }}:${{ needs.init-vars.outputs.image_tag_prefix }}${{ needs.init-vars.outputs.version }}
+            ${{ needs.init-vars.outputs.image_tag_prefix == '' && format('seatable/seatable-python-{0}:latest', needs.init-vars.outputs.component) || '' }}
           labels: |
             org.opencontainers.image.title=seatable/seatable-python-${{ needs.init-vars.outputs.component }}
             org.opencontainers.image.version=${{ needs.init-vars.outputs.image_tag_prefix }}${{ needs.init-vars.outputs.version }}
@@ -133,14 +134,3 @@ jobs:
           vuln-type: 'os,library'
           severity: 'CRITICAL,HIGH'
 
-      #- name: Push image
-      #  id: push_image
-      #  run: |
-      #    docker push seatable/seatable-python-${{ needs.init-vars.outputs.component }}:commit-${{ steps.get_commit.outputs.short_sha }}
-      #    docker push seatable/seatable-python-${{ needs.init-vars.outputs.component }}:${{ needs.init-vars.outputs.image_tag_prefix }}${{ needs.init-vars.outputs.version }}
-
-      - name: Push "latest" tag
-        run: |
-          docker tag seatable/seatable-python-${{ needs.init-vars.outputs.component }}:commit-${{ steps.get_commit.outputs.short_sha }} seatable/seatable-python-${{ needs.init-vars.outputs.component }}:latest
-          docker push seatable/seatable-python-${{ needs.init-vars.outputs.component }}:latest
-        if: ${{ needs.init-vars.outputs.image_tag_prefix == '' }}