convert secrets to dynamic block

Author: jjno91

main.tf

@@ -50,10 +50,13 @@ resource "kubernetes_deployment" "this" {
             }
           }
 
-          env_from {
-            secret_ref {
-              name     = var.secret_name
-              optional = true
+          dynamic "env_from" {
+            for_each = var.secrets
+
+            content {
+              secret_ref {
+                name = env_from.value
+              }
             }
           }
         }

variables.tf

@@ -52,9 +52,9 @@ variable "replicas" {
   default     = 1
 }
 
-variable "secret_name" {
-  description = "https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/deployment#name"
-  default     = ""
+variable "secrets" {
+  description = "List of secret names from which env_from blocks will be generated"
+  default     = []
 }
 
 variable "config" {