diff --git a/files/config.js.tpl b/files/config.js.tpl
index cc481c5..fc12edf 100644
--- a/files/config.js.tpl
+++ b/files/config.js.tpl
@@ -25,6 +25,11 @@ module.exports = {
   // Additional recommended settings for Gitea
   requireConfig: 'optional',
 
+  // Schedule configuration - only run during specified time window
+  // This reduces resource usage by limiting when Renovate checks for updates
+  schedule: ['after 2am and before 4am'],
+  timezone: 'Europe/Amsterdam',
+
   // Regex managers for custom version detection
   // This enables Renovate to detect Docker image versions in Terraform files
   // when annotated with: # renovate: datasource=docker
diff --git a/variables.tf b/variables.tf
index 19e4d63..f7607ba 100644
--- a/variables.tf
+++ b/variables.tf
@@ -10,6 +10,7 @@ variable "container_name" {
 variable "renovate_image" {
   description = "Docker image for Renovate"
   type        = string
+  # renovate: datasource=docker
   default     = "renovate/renovate:latest"
 }