Have renovate detect examples/*/Dockerfile

.github/workflows/lint-test-build.yml

@@ -5,6 +5,7 @@ on:
       - '**/*.md'
       - 'ci/**'
       - '.github/workflows/delete.yml'
+      - 'renovate.json5'
     tags:
       - '*'
     branches:

ci/k8s/delete.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# use sed to find/replace placeholders for nginx-ingress
+
+set -eou pipefail
+
+TARGET="ingress.yaml"
+if [ $# -eq 1 ]; then
+  if [ ! -f "$1" ]; then
+    echo "$1 doesn't exit"
+    exit 1
+  fi
+
+  TARGET="$1"
+fi
+
+sed -e "s|__DOMAIN__|$DOMAIN|" \
+    -e "s|__KUBE_TLS_SECRET__|$KUBE_TLS_SECRET|" \
+    "$@" \
+| kubectl delete -f -

renovate.json5

@@ -2,7 +2,18 @@
   extends: [
     'config:best-practices',
     ':rebaseStalePrs',
-    'customManagers:dockerfileVersions',
+  ],
+  dockerfile: {
+      fileMatch: [".*Dockerfile$"],
+  },
+  customManagers: [
+    {
+      customType: "regex",
+      fileMatch: [".*Dockerfile$"],
+      matchStrings: [
+        "# renovate: datasource=(?<datasource>[a-z-.]+?) depName=(?<depName>[^\\s]+?)(?: (lookupName|packageName)=(?<packageName>[^\\s]+?))?(?: versioning=(?<versioning>[^\\s]+?))?(?: extractVersion=(?<extractVersion>[^\\s]+?))?(?: registryUrl=(?<registryUrl>[^\\s]+?))?\\s(?:ENV|ARG)\\s+[A-Za-z0-9_]+?_VERSION[ =][\"']?(?<currentValue>.+?)[\"']?\\s"
+      ]
+    }
   ],
   packageRules: [
     {
@@ -64,4 +75,4 @@
   vulnerabilityAlerts: {
     enabled: true,
   },
-}
+}