[Renovate] Added initial comment

Dockerfile.linux.amd64

@@ -1,9 +1,13 @@
 # alpine version
 FROM alpine:3.18
 
-# software versions
+# renovate: datasource=pypi depName=ansible-core versioning=pep440
 ENV ANSIBLE_VERSION=2.13.11
+
+# renovate: datasource=pypi depName=ansible-lint versioning=pep440
 ENV ANSIBLE_LINT_VERSION=6.22.0
+
+# renovate: datasource=pypi depName=yamllint versioning=pep440
 ENV YAML_LINT_VERSION=1.32.0
 
 # install software

renovate.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "dependencyDashboard": true,
+  "dependencyDashboardApproval": true,
+  "major": {
+    "dependencyDashboardApproval": true
+  },
+  "minor": {
+    "dependencyDashboardApproval": true
+  },
+  "enabledManagers": ["dockerfile"],
+  "regexManagers": [
+    {
+      "fileMatch": ["Dockerfile(.*)"],
+      "matchStrings": [
+        "# renovate: datasource=(?<datasource>[a-z-]+?) depName=(?<depName>.+?)(?: (?:packageName|lookupName)=(?<packageName>.+?))?(?: versioning=(?<versioning>[a-z0-9-]+?))?\\s(?:ENV|ARG) .+?_VERSION=(?<currentValue>.+?)\\s"
+      ],
+      "versioningTemplate": "{{#if versioning}}{{versioning}}{{else}}semver{{/if}}"
+    }
+  ]
+}