From 8366bde4e20f7b369d74221e4c8b599fabe3bb21 Mon Sep 17 00:00:00 2001
From: Chris Mayo <aklhfex@gmail.com>
Date: Mon, 16 Jan 2023 19:36:22 +0000
Subject: [PATCH] Delete oldest Docker images

Keep 20 most recent.
---
 .github/workflows/publish-docker.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/publish-docker.yml b/.github/workflows/publish-docker.yml
index ee0d83cf..861ef938 100644
--- a/.github/workflows/publish-docker.yml
+++ b/.github/workflows/publish-docker.yml
@@ -43,3 +43,10 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Delete oldest Docker images
+        uses: actions/delete-package-versions@v4
+        with:
+          package-name: 'linkchecker'
+          package-type: 'container'
+          min-versions-to-keep: 20