Create publish-template.yml

Author: jcbhmr

.github/workflows/publish-template.yml

@@ -0,0 +1,22 @@
+name: Publish template
+on:
+  release:
+    types: published
+  workflow_dispatch:
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+jobs:
+  publish-template:
+    permissions:
+      contents: read
+      packages: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: devcontainers-community/publish-template@v1