docs(README): adapt example

README.md

@@ -15,10 +15,11 @@ or kubernetes.
 To use this image execute the following command in a docker environment.
 
 ```bash
-$ docker run \
-    --rm \
-    volkerraschek/network-tools:latest \
-      sh
+docker run \
+  --entrypoint /bin/sh \
+  -it \
+  --rm \
+    docker.io/volkerraschek/network-tools:latest
 ```
 
 ### Kubernetes

renovate.json

@@ -1,29 +1,9 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "assignees": [ "volker.raschek" ],
-  "customManagers": [
-    {
-      "customType": "regex",
-      "description": "Extract renovate config",
-      "fileMatch": [
-        "^Makefile$"
-      ],
-      "matchStrings": [
-        "^[^\\s]*VERSION(:|\\?)?=\"?(?<currentValue>[\\w.]*)\"? # renovate:([\\s]+datasource=['\"]*(?<datasource>[^\\s\"']*)['\"]*|[\\s]+depName=['\"]*(?<depName>[^\\s'\"]*)['\"]*|[\\s]+registryUrl=['\"]*(?<registryUrl>[^\\s'\"]*)['\"]*|[\\s]+versioning=['\"]*(?<versioning>[^\\s'\"]*)['\"]*|[\\s]+extractVersion=['\"]*(?<extractVersion>[^\\s'\"]*)['\"]*)*"
-      ]
-    }
-  ],
-  "labels": [ "renovate" ],
-  "packageRules": [
-    {
-      "description": "Automatically update grouped public container images - patch",
-      "addLabels": ["renovate/automerge","renovate/container-images"],
-      "automerge": true,
-      "enabled": true,
-      "matchDatasources": ["docker"],
-      "matchUpdateTypes": ["minor", "patch"]
-    }
-  ],
-  "rebaseLabel": "renovate/rebase",
-  "rebaseWhen": "behind-base-branch"
-}
+  "extends": [
+    "local>volker.raschek/renovate-config:default#master",
+    "local>volker.raschek/renovate-config:container#master",
+    "local>volker.raschek/renovate-config:actions#master",
+    "local>volker.raschek/renovate-config:regexp#master"
+  ]
+}