feat: add renovate config to update docker containers

host_vars/pottwal.n39.eu/vars.yml

@@ -14,7 +14,6 @@ forgejo_ssh_port: 2222
 forgejo_domain_name: gitea.n39.eu
 forgejo_image: codeberg.org/forgejo/forgejo:1.19
 
-
 shlink_host_port: 8083
 shlink_domain_name: sl.n39.eu
 shlink_image: shlinkio/shlink:2.6.2

renovate.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "regexManagers": [
+    {
+      "fileMatch": [
+        "host-*.yml",
+        "host_vars/*/vars.yml"
+      ],
+      "datasourceTemplate": "docker",
+      "versioningTemplate": "docker",
+      "matchStrings": [
+        "image: (?<depName>.*?):(?<currentValue>.*?)(@sha256:(?<currentDigest>.*?))?$"
+      ]
+    }
+  ]
+}