Add Nextcloud deployment and configuration

- Introduced Nextcloud module with Kubernetes resources including deployment, service, ingress, and cron job.
- Configured Apache settings for Nextcloud with SSL support and compression.
- Created secrets for mail and admin credentials.
- Added necessary environment variables for Nextcloud configuration.
- Removed unused Scaleway access and secret keys from secrets and variables.
- Updated CoreDNS module to support custom host overrides.
- Implemented backup bucket policies and lifecycle rules for Scaleway object storage.
- Enhanced IAM policies and applications for backup and email services.
- Added outputs for backup bucket and API keys.

terraform/modules/apps/nextcloud/variables.tf

@@ -0,0 +1,52 @@
+variable "persistent_folder" {
+  description = "The path to the persistent folder"
+  type        = string
+}
+
+variable "tag" {
+  description = "The version of the websites to install"
+  type        = string
+  default     = "30-apache"
+}
+
+variable "fqdn" {
+  description = "The fully qualified domain name for the Rustdesk server"
+  type        = string
+}
+
+variable "tls_enabled" {
+  description = "Enable TLS for the SFTPGo server"
+  type        = bool
+  default     = true
+}
+
+variable "issuer" {
+  description = "The issuer for the certificate"
+  type        = string
+  default     = "internal-ca"
+}
+
+variable "db_credentials_are_secrets" {
+  description = "set to true if the database credentials are secrets"
+  type        = bool
+  default     = false
+}
+
+variable "app_config" {
+  description = "The configuration for the SFTPGo server"
+  type = object({
+    mail_from      = string
+    mail_domain    = string
+    smtp_user      = string
+    smtp_password  = string
+    smtp_host      = string
+    admin_password = string
+    db_host        = string
+    db_name        = string
+    db_user        = string
+    db_password    = string
+    smtp_port      = optional(number, 465)
+    smtp_secure    = optional(string, "ssl")
+    admin_username = optional(string, "admin")
+  })
+}