first commit

action.yaml

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+name: Docker Tag
+description: Tags an existing container manifest in a remote registry without pulling/pushing any images
+runs:
+  using: node16
+  main: main.js
+inputs:
+  registry:
+    description: URL to the container registry
+    required: true
+  image:
+    description: The name of the image in the registry
+    required: true
+  old-tag:
+    description: The tag of the existing image to be re-tagged
+    required: true
+  new-tags:
+    description: Newline delimited list of new tags to apply to the image
+    required: true