feat(mail): enhance mail configuration with getmail and dovecot settings

- Added getmail configuration generation using template files.
- Introduced postfix and dovecot configuration checksums for deployment.
- Created new dovecot configuration file and sieve script for email handling.
- Updated main.tf to utilize local variables for configuration management.
- Removed redundant external password hasher from main.tf.

feat(nginx): improve nginx configuration management

- Centralized nginx configuration into a local variable with checksum.
- Created separate config maps for default website configurations.
- Updated deployment to utilize new configuration structure.

feat(sftpgo): add SFTPGo application deployment

- Introduced SFTPGo with Kubernetes resources including namespace, config maps, and secrets.
- Configured SFTPGo with SMTP settings and AWS credentials.
- Implemented health checks and volume mounts for persistent storage.

refactor(seafile): remove Seafile module

- Deleted Seafile module and associated resources as part of cleanup.

terraform/k8sapps/config.tf

@@ -11,22 +11,22 @@ locals {
     "alexpires.me" = {
       domain_name = "alexpires.me"
       fqdn        = ["blog.alexpires.me", "www.alexpires.me", "alexpires.me"]
+      config      = file("${path.module}/resources/alexpires.me.conf")
     }
   }
 
+  # gitea
   gitea_version = "1.23.4"
   gitea_fqdn    = "code.${local.primary_domain}"
 
-  nextcloud_version                    = "30.0.0-apache"
-  nextcloud_fqdn                       = "cloud.${local.primary_domain}"
-  nextcloud_sql_backup_cron_schedule   = "40 2 * * *"
-  nextcloud_files_backup_cron_schedule = "50 2 * * *"
-
+  # sftpgo
+  sftpgo_version = "2.6.x"
 
   # m3uproxy
   m3uproxy_version = "latest"
   m3uproxy_fqdn    = "tv.${local.primary_domain}"
 
+  # geoip
   geoip_cron_schedule = "0 0 * * *"
   geoip_editions = [
     "GeoLite2-Country",
@@ -37,19 +37,21 @@ locals {
   rustdesk_fqdn = "rustdesk.${local.primary_domain}"
 
   # backup
-  local_backup_retention_days      = 2
-  cloud_backup_retention_days      = 3
-  mail_backup_path                 = "${local.persistent_folder}/backup.mail"
-  gitea_backup_path                = "${local.persistent_folder}/backup.gitea"
-  gitea_sql_backup_cron_schedule   = "20 2 * * *"
-  gitea_files_backup_cron_schedule = "30 2 * * *"
-  mail_files_backup_cron_schedule  = "0 3 * * *"
+  local_backup_retention_days       = 2
+  cloud_backup_retention_days       = 3
+  mail_backup_path                  = "${local.persistent_folder}/backup.mail"
+  gitea_backup_path                 = "${local.persistent_folder}/backup.gitea"
+  sftpgo_backup_path                = "${local.persistent_folder}/backup.sftpgo"
+  gitea_sql_backup_cron_schedule    = "20 2 * * *"
+  gitea_files_backup_cron_schedule  = "30 2 * * *"
+  sftpgo_files_backup_cron_schedule = "50 2 * * *"
+  mail_files_backup_cron_schedule   = "0 3 * * *"
 
-  fetch_emails_schedule = "*/2 * * * *"
 
   # email settings
-  scaleway_smtp_host = "smtp.tem.scw.cloud"
-  scaleway_smtp_port = 587
+  fetch_emails_schedule = "*/2 * * * *"
+  scaleway_smtp_host    = "smtp.tem.scw.cloud"
+  scaleway_smtp_port    = 587
   email_accounts = [
     {
       domain    = "alexpires.me"