feat: add system maintenance automation

deployment/ansible/group_vars/production.yml

@@ -2,6 +2,15 @@
 # Production Deployment - Centralized Variables
 # These variables are used across all playbooks
 
+# System Maintenance
+system_update_packages: true
+system_apt_upgrade: dist
+system_enable_unattended_upgrades: true
+system_enable_unattended_reboot: false
+system_unattended_reboot_time: "02:00"
+system_enable_unattended_timer: true
+system_enable_docker_prune: false
+
 # Deployment Paths
 deploy_user_home: "/home/deploy"
 stacks_base_path: "{{ deploy_user_home }}/deployment/stacks"