Update portainer/portainer-ce Docker tag to v2.31.0

Reviewed-on: #4

docker-compose.yml

@@ -2,7 +2,7 @@ name: portainer
 
 services:
   portainer-ce:
-    image: portainer/portainer-ce:2.27.3
+    image: portainer/portainer-ce:2.31.0
     container_name: portainer
     restart: unless-stopped
     volumes:

renovate.json

@@ -2,5 +2,14 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:recommended"
+  ],
+  "labels": ["renovate"],
+  "configMigration": true,
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["minor", "patch"],
+      "automerge": true,
+      "ignoreTests": true
+    }
   ]
 }

update.sh

@@ -2,7 +2,11 @@
 
 cd $(dirname $0)
 
-if [[ $(git fetch) ]]; then
+local_head=$(git rev-parse HEAD)
+upstream_ref=$(git rev-parse --abbrev-ref @{u} | sed 's/\// /')
+remote_head=$(git ls-remote $upstream_ref | cut -f1)
+
+if [[ $local_head != $remote_head ]]; then
   git pull
   docker compose pull
   docker compose up -d