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/buckets.tf

@@ -170,3 +170,45 @@ resource "scaleway_object_bucket_policy" "dovecot" {
     ]
   })
 }
+
+resource "scaleway_object_bucket" "sftpgo" {
+  name       = "a13labs-sftpgo-${random_string.bucket_suffix.result}"
+  project_id = var.scaleway_project_id
+  region     = "fr-par"
+}
+
+resource "scaleway_object_bucket_policy" "sftpgo" {
+  bucket = scaleway_object_bucket.sftpgo.name
+  policy = jsonencode({
+    Version = "2023-04-17",
+    Id      = "AllowAccess",
+    Statement = [
+      {
+        Effect = "Allow"
+        Action = [
+          "s3:*",
+        ]
+        Principal = {
+          SCW = "user_id:${var.scaleway_user_id}"
+        }
+        Resource = [
+          scaleway_object_bucket.sftpgo.name,
+          "${scaleway_object_bucket.sftpgo.name}/*",
+        ]
+      },
+      {
+        Effect = "Allow"
+        Action = [
+          "s3:*",
+        ]
+        Principal = {
+          SCW = "application_id:${scaleway_iam_application.sftpgo_app.id}"
+        }
+        Resource = [
+          scaleway_object_bucket.sftpgo.name,
+          "${scaleway_object_bucket.sftpgo.name}/*",
+        ]
+      },
+    ]
+  })
+}