diff --git a/action.yml b/action.yml
new file mode 100644
index 00000000..62f483c6
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,14 @@
+name: container-diff
+
+inputs:
+  argument:
+    required: true
+    description: "String of arguments to pass to the container-diff command"
+    default: help
+
+runs:
+  using: 'docker'
+  image: 'action/Dockerfile'
+  args:
+    - ${{ inputs.argument }}
+