fix: Add image to outputs

publish-container/action.yaml

@@ -16,6 +16,18 @@ inputs:
     description: "Registry owner/organization name, e.g. oceanbox."
     required: true
     default: "oceanbox"
+outputs:
+  image-tag:
+    description: "The container image tag that was published"
+    value: ${{ steps.envvars.outputs.IMAGE_TAG }}
+
+  image-name:
+    description: "Fully qualified container image name"
+    value: ${{ steps.envvars.outputs.IMAGE_NAME }}
+
+  environment:
+    description: "Build environment (Release or Debug)"
+    value: ${{ steps.envvars.outputs.ENV }}
 runs:
   using: "composite"
   steps: