chore(renovate): add config to detect all docker image references in values.yaml

Reviewed-on: #2

charts/common/values.yaml

@@ -565,7 +565,7 @@ addons:
       # -- Specify the code-server image
       repository: codercom/code-server
       # -- Specify the code-server image tag
-      tag: 4.121.0
+      tag: 3.9.2
       # -- Specify the code-server image pull policy
       pullPolicy: IfNotPresent
 
@@ -656,7 +656,7 @@ addons:
       # -- Specify the promtail image
       repository: grafana/promtail
       # -- Specify the promtail image tag
-      tag: 2.2.0
+      tag: 2.9.17
       # -- Specify the promtail image pull policy
       pullPolicy: IfNotPresent
 

renovate.json

@@ -0,0 +1,20 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "local>perso/renovate-config"
+  ],
+  "helmValues": {
+    "fileMatch": ["(^|/)values\\.ya?ml$"]
+  },
+  "customManagers": [
+    {
+      "customType": "regex",
+      "fileMatch": ["(^|/)values\\.ya?ml$"],
+      "matchStrings": [
+        "repository:\\s*(?<depName>[^\\s]+)\\s*\\n\\s*tag:\\s*(?<currentValue>[^\\s]+)"
+      ],
+      "datasourceTemplate": "docker",
+      "versioningTemplate": "docker"
+    }
+  ]
+}