feat: add container cleanup cronjob

Signed-off-by: Evan Baker <[email protected]>

.github/workflows/container-cleanup.yaml

@@ -0,0 +1,31 @@
+name: Container Registry Cleanup
+
+on:
+  schedule:
+    - cron: "0 0 * * *" # every day at midnight
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  container-cleanup:
+    name: delete-images
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image:
+          - "retina/charts/retina"
+          - "retina/kubectl-retina"
+          - "retina/retina-agent"
+          - "retina/retina-init"
+          - "retina/retina-operator"
+    steps:
+      - uses: port-of-rotterdam-dtis/delete-package-versions@bf25fb8df311fdcbeac67ba2e5153495d76415a8
+        with:
+          package-name: ${{ matrix.image }}
+          package-type: "container"
+          min-versions-to-keep: 0
+          ignore-versions: "^v(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)$"
+          ignore-versions-include-tags: true

.github/workflows/release-charts.yaml

@@ -2,7 +2,6 @@ name: Release Retina Charts
 
 on:
   push:
-    branches: [main]
     tags: ["v*"]
 
 permissions:
@@ -30,4 +29,4 @@ jobs:
           set -euo pipefail
           export TAG=$(make version)
           helm package ./deploy/manifests/controller/helm/retina --version $TAG
-          helm push retina-*.tgz oci://ghcr.io/${{ github.repository }}/charts
+          helm push retina-$TAG.tgz oci://ghcr.io/${{ github.repository }}/charts