testing docker image

.gitea/workflows/demo.yaml

@@ -4,12 +4,13 @@ on: [push]
 
 jobs:
   Explore-Gitea-Actions:
-    runs-on: testing
+    runs-on: testing:docker://node:16-bullseye
     steps:
       - run: echo "🎉 The job was automatically triggered by a ${{ gitea.event_name }} event."
       - run: echo "🐧 This job is now running on a ${{ runner.os }} server hosted by Gitea!"
       - run: echo "🔎 The name of your branch is ${{ gitea.ref }} and your repository is ${{ gitea.repository }}."
       - name: Check out repository code
+      - run: apk add --no-cache nodejs
         uses: actions/checkout@v3
       - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
       - run: echo "🖥️ The workflow is now ready to test your code on the runner."