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/modules/apps/sftpgo/config.tf

@@ -0,0 +1,81 @@
+locals {
+  data_path = "${var.persistent_folder}/sftpgo"
+
+
+  sftpgo_config = {
+    "common" : {
+      "defender" : {
+        "enabled" : false
+      }
+    },
+    "sftpd" : {
+      "bindings" : [
+        {
+          "port" : 0
+        }
+      ]
+    },
+    "webdavd" : {
+      "bindings" : [
+        {
+          "port" : 8081,
+          "address" : "0.0.0.0"
+        }
+      ]
+    },
+    "data_provider" : {
+      "create_default_admin" : true,
+      "backups_path" : "/var/lib/sftpgo/backup"
+    },
+    "httpd" : {
+      "bindings" : [
+        {
+          "port" : 8080,
+          "address" : "0.0.0.0",
+          "branding" : {
+            "web_client" : {
+              "name" : "alexpires.me cloud",
+              "short_name" : "alexpires.me"
+            },
+            "web_admin" : {
+              "name" : "alexpires.me cloud",
+              "short_name" : "alexpires.me"
+            }
+          }
+        }
+      ],
+      "web_root" : "/storage",
+    },
+    "telemetry" : {
+      "bind_port" : 10000,
+      "bind_address" : "0.0.0.0"
+    },
+    "mfa" : {
+      "totp" : [
+        {
+          "name" : "Default",
+          "issuer" : "alexpires.me",
+          "algo" : "sha1"
+        }
+      ]
+    },
+    "smtp" : {
+      "host" : var.smtp_host,
+      "port" : var.smtp_port,
+      "from" : var.from_email
+      "encryption" : 1,
+      "domain" : "alexpires.me"
+    },
+    "plugins" : []
+  }
+
+  config          = jsonencode(local.sftpgo_config)
+  config_checksum = sha256(local.config)
+
+  credentials = templatefile("${path.module}/resources/aws.tpl", {
+    access_key = var.access_key
+    secret_key = var.secret_key
+  })
+  credentials_checksum = sha256(local.credentials)
+}
+