From c2cb4fac106fc74efe30288348b6b1679d5dd7d0 Mon Sep 17 00:00:00 2001
From: Michael <mmatur@users.noreply.github.com>
Date: Thu, 5 Sep 2024 10:02:04 +0200
Subject: [PATCH] Sync docker images from docker hub to ghcr

---
 .github/workflows/sync-docker-images.yaml | 25 +++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 .github/workflows/sync-docker-images.yaml

diff --git a/.github/workflows/sync-docker-images.yaml b/.github/workflows/sync-docker-images.yaml
new file mode 100644
index 000000000..aa00da957
--- /dev/null
+++ b/.github/workflows/sync-docker-images.yaml
@@ -0,0 +1,25 @@
+name: Sync Docker Images
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *" # Run every day
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    if: github.repository == 'traefik/traefik'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: imjasonh/setup-crane@v0.4
+      
+      - name: Sync
+        run: |
+          EXCLUDED_TAGS="1.7.9-alpine v1.0.0-beta.392 v1.0.0-beta.404 v1.0.0-beta.704 v1.0.0-rc1 v1.7.9-alpine"
+          EXCLUDED_REGEX=$(echo $EXCLUDED_TAGS | sed 's/ /|/g')
+          diff <(crane ls traefik) <(crane ls ghcr.io/traefik/traefik) | grep '^<' | awk '{print $2}' | while read -r tag; do [[ "$tag" =~ ^($EXCLUDED_REGEX)$ ]] || (echo "Processing image: traefik:$tag"; crane cp "traefik:$tag" "ghcr.io/traefik/traefik:$tag"); done