Refactor Gitea and SSH configurations, update backup scripts, and enhance Nginx settings

- Updated SSH configuration for Gitea to disable banner and TTY, and modified the AuthorizedKeysCommand.
- Simplified gitea-shell script to directly call the k8s_gitea_shell command with required parameters.
- Removed unused gitea-auth script from playbook_gitea.yml.
- Updated systools_version in playbook_systools.yml to 0.4.5.
- Enhanced ssh_locker_helper to copy redirect URL to clipboard based on OS.
- Added a new script test_imaps for IMAP testing.
- Updated Terraform configurations for various applications, including:
  - Added a backup script for MariaDB with retention policy.
  - Changed Gitea version to 1.24-rootless and adjusted SSH settings.
  - Updated Nginx configurations to log errors and access to stderr/stdout.
  - Refactored services to use ClusterIP type and adjusted security contexts for deployments.
  - Added temporary storage for applications using empty_dir.
  - Enhanced backup.sh scripts for better error handling and logging.

terraform/modules/apps/mail/dovecot.tf

@@ -59,7 +59,7 @@ resource "kubernetes_deployment" "dovecot" {
       }
     }
     strategy {
-      type = "Recreate"
+      type = "RollingUpdate"
     }
     template {
       metadata {
@@ -81,7 +81,6 @@ resource "kubernetes_deployment" "dovecot" {
           image = "dovecot/dovecot:${var.dovecot_tag}"
           port {
             container_port = 31993
-            host_port      = 993
           }
           port {
             name           = "lmtp"
@@ -207,7 +206,7 @@ resource "kubernetes_deployment" "dovecot" {
 resource "kubernetes_service" "dovecot" {
   metadata {
     namespace = kubernetes_namespace.mail.metadata[0].name
-    name      = "dovecot"
+    name      = "imap"
   }
 
   spec {
@@ -221,7 +220,7 @@ resource "kubernetes_service" "dovecot" {
       target_port = 31993
     }
 
-    type = "LoadBalancer"
+    type = "ClusterIP"
   }
 
   lifecycle {
@@ -233,7 +232,7 @@ resource "kubernetes_service" "dovecot" {
 
 resource "kubernetes_service" "dovecot_lmtp" {
   metadata {
-    name      = "dovecot-lmtp"
+    name      = "lmtp"
     namespace = kubernetes_namespace.mail.metadata[0].name
   }
 
@@ -246,13 +245,14 @@ resource "kubernetes_service" "dovecot_lmtp" {
       port        = 31024
       target_port = 31024
     }
-    type = "ClusterIP"
+    type       = "ClusterIP"
+    cluster_ip = "None"
   }
 }
 
 resource "kubernetes_service" "dovecot_auth" {
   metadata {
-    name      = "dovecot-auth"
+    name      = "auth"
     namespace = kubernetes_namespace.mail.metadata[0].name
   }
 
@@ -265,6 +265,7 @@ resource "kubernetes_service" "dovecot_auth" {
       port        = 31000
       target_port = 31000
     }
-    type = "ClusterIP"
+    type       = "ClusterIP"
+    cluster_ip = "None"
   }
 }