Add docker_action.yaml

.gitea/actions/docker-action/Dockerfile

@@ -0,0 +1,5 @@
+FROM ubuntu:latest
+
+COPY entrypoint.sh entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

.gitea/actions/docker-action/action.yaml

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+name: 'Simple param action' # Name of action
+description: 'Prints the argument and stores it in the file'
+inputs:
+  name:
+    description: 'First argument value'
+    required: true
+    default: 'Mike'
+outputs:
+  processed-name: # processed-name is also defined in entrypoint.sh
+    description:  'Processed name'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+  - ${{ inputs.name }}

.gitea/actions/docker-action/entrypoint.sh

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+#!/bin/sh -l
+
+# get the input parameter
+echo "Arg received $1"
+
+# list the working directory
+echo "Workdir:"
+ls -la
+
+# get name and store it to name.txt
+name=$1
+echo "$name" > name.txt
+
+# output processed-name to GITHUB_OUTPUT
+echo "processed-name=$name" >> $GITHUB_OUTPUT