using the -a option

.forgejo/workflows/container-build.yml

@@ -17,7 +17,7 @@ jobs:
           REGISTRY_AUTH_FILE: ${{env.RUNNER_TEMP}}/auth.json
         run: |
           echo "{}">"$REGISTRY_AUTH_FILE"
-          skopeo copy --additional-tag ${{ env.GITHUB_RUN_NUMBER}} --dest-precompute-digests --dest-registry-token=${{ env.GITHUB_TOKEN }} containers-storage:localhost/keycloak:latest ${GITHUB_SERVER_URL//https:/docker:}/${{ env.GITHUB_REPOSITORY }}:latest
+          skopeo copy -a --dest-precompute-digests --dest-registry-token=${{ env.GITHUB_TOKEN }} containers-storage:localhost/keycloak:latest ${GITHUB_SERVER_URL//https:/docker:}/${{ env.GITHUB_REPOSITORY }}:latest
       - name: Cleanup
         run: |
           buildah rmi -f localhost/keycloak

build_container.sh

@@ -33,3 +33,4 @@ buildah run -- builder kc.sh build --db=postgres --metrics-enabled=true --https-
 buildah copy --from builder --chown root:root final /opt/keycloak/ /opt/keycloak/
 buildah rm builder
 buildah commit -q -f oci --rm final containers-storage:localhost/keycloak:latest
+buildah tag containers-storage:localhost/keycloak:latest containers-storage:localhost/keycloak:$GITHUB_RUN_NUMBER