From 8e2808498e0adde509e295dc29edcaffd528c23c Mon Sep 17 00:00:00 2001
From: Stefan Negru <stefan@blankdots.com>
Date: Mon, 24 Jul 2023 08:02:14 +0300
Subject: [PATCH] Delete old unused container images

---
 .github/workflows/clean-containers.yaml | 32 +++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 .github/workflows/clean-containers.yaml

diff --git a/.github/workflows/clean-containers.yaml b/.github/workflows/clean-containers.yaml
new file mode 100644
index 0000000..1cb57b1
--- /dev/null
+++ b/.github/workflows/clean-containers.yaml
@@ -0,0 +1,32 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+name: ghcr actions
+
+on:
+  schedule:
+    - cron: "21 21 * * *"
+
+jobs:
+  clean-ghcr:
+    name: Delete old unused container images
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: downcase REPO name
+        run: |
+          echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
+      - name: Delete 'PR' containers older than a week
+        uses: snok/container-retention-policy@v2.1.1
+        with:
+          image-names: ${{ env.REGISTRY }}/${{ env.REPO }}
+          filter-tags: sha-*,sha256:*
+          cut-off: A week ago UTC
+          account-type: org
+          org-name: ${{ github.repository_owner }}
+          keep-at-least: 1
+          token: ${{ secrets.GH_REPO_TOKEN }}
+          timestamp-to-use: updated_at