From 8311aa0baadaeb314e0b79b5997df879f11d6ffd Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Sat, 6 Aug 2022 15:29:09 +0000
Subject: [PATCH 1/2] Add renovate.json

---
 renovate.json | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 renovate.json

diff --git a/renovate.json b/renovate.json
new file mode 100644
index 00000000..39a2b6e9
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,6 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ]
+}

From 0b3aeb0c48cb5bd19a665295cd2b821b26cd7bb6 Mon Sep 17 00:00:00 2001
From: Michael Sprauer <Michael.Sprauer@sap.com>
Date: Sat, 6 Aug 2022 21:16:55 +0200
Subject: [PATCH 2/2] detect appVersion in Chart.yaml

Signed-off-by: Michael Sprauer <Michael.Sprauer@sap.com>
---
 charts/docker-mailserver/templates/deployment.yaml |  2 +-
 charts/docker-mailserver/values.yaml               |  7 ++++---
 renovate.json                                      | 10 ++++++++++
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/charts/docker-mailserver/templates/deployment.yaml b/charts/docker-mailserver/templates/deployment.yaml
index 218784c2..24cee7a9 100644
--- a/charts/docker-mailserver/templates/deployment.yaml
+++ b/charts/docker-mailserver/templates/deployment.yaml
@@ -79,7 +79,7 @@ spec:
         - name: dockermailserver
           env:
 {{- include "dockermailserver.upstream-env-variables" . | nindent 10 }}
-          image: {{ .Values.image.name }}:{{ .Values.image.tag }}
+          image: {{ .Values.image.name }}:{{ default .Chart.AppVersion .Values.image.tag }}
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
diff --git a/charts/docker-mailserver/values.yaml b/charts/docker-mailserver/values.yaml
index c197cc15..15591a02 100644
--- a/charts/docker-mailserver/values.yaml
+++ b/charts/docker-mailserver/values.yaml
@@ -1,9 +1,10 @@
 ---
 image:
-  # image.name is the name of the container image to use. Refer to https://hub.docker.com/r/mailserver/docker-mailserver
+  ## image.name is the name of the container image to use. Refer to https://hub.docker.com/r/mailserver/docker-mailserver
   name: "mailserver/docker-mailserver"
-  # image.tag is the tag of the container image to use. Refer to https://hub.docker.com/r/mailserver/docker-mailserver
-  tag: "11.0.0"
+  ## image.tag is the tag of the container image to use. Refer to https://hub.docker.com/r/mailserver/docker-mailserver
+  ## If image.tag is not defined it will default to `.Chart.appVersion`
+  # tag: "latest"
   pullPolicy: "IfNotPresent"
 
 initContainer:
diff --git a/renovate.json b/renovate.json
index 39a2b6e9..20100b63 100644
--- a/renovate.json
+++ b/renovate.json
@@ -2,5 +2,15 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:base"
+  ],
+  "regexManagers": [
+    {
+      "description": "Update docker-mailserver docker image references in appVersion",
+      "fileMatch": ["Chart\\.yaml$"],
+      "matchStrings": ["appVersion:\\s+['\"]?(?<currentValue>\\d+\\.\\d+\\.\\d+)['\"]?"],
+      "depNameTemplate": "mailserver/docker-mailserver",
+      "datasourceTemplate": "docker",
+      "versioningTemplate": "docker"
+    }
   ]
 }