Fix production environment variables

- Remove old Confluence variables
- Add NEXT_PUBLIC_API_URL for API access

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

terraform/variables.tf

@@ -35,4 +35,35 @@ variable "environment" {
   description = "Environment name"
   type        = string
   default     = "production"
+}
+
+variable "app_name" {
+  description = "Application name"
+  type        = string
+  default     = "filamenteka"
+}
+
+variable "jwt_secret" {
+  description = "JWT secret for authentication"
+  type        = string
+  sensitive   = true
+}
+
+variable "admin_username" {
+  description = "Admin username"
+  type        = string
+  default     = "admin"
+}
+
+variable "admin_password_hash" {
+  description = "BCrypt hash of admin password"
+  type        = string
+  sensitive   = true
+}
+
+variable "cloudflare_api_token" {
+  description = "Cloudflare API token for DNS management"
+  type        = string
+  default     = ""
+  sensitive   = true
 }