DOCKER_APP_IMAGE incorrectly mapped

Author: David Zuckerman

.github/workflows/build.yml

@@ -132,7 +132,7 @@ jobs:
     needs: merge
     env:
       COMPOSE_FILE: docker-compose.yml:docker-compose.ci.yml
-      DOCKER_APP_IMAGE: ${{ needs.merge.outputs.image }}
+      DOCKER_APP_IMAGE: ${{ needs.merge.outputs.build-image }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4