Dynamically generate cors rules, fixes #22 (#84)

Co-authored-by: Makeshift <[email protected]>
Co-authored-by: Matt Gowie <[email protected]>

Author: 3 people

main.tf

@@ -132,14 +132,15 @@ resource "aws_s3_bucket" "origin" {
     }
   }
 
-  cors_rule {
-    allowed_headers = var.cors_allowed_headers
-    allowed_methods = var.cors_allowed_methods
-    allowed_origins = sort(
-      distinct(compact(concat(var.cors_allowed_origins, var.aliases)))
-    )
-    expose_headers  = var.cors_expose_headers
-    max_age_seconds = var.cors_max_age_seconds
+  dynamic "cors_rule" {
+    for_each = distinct(compact(concat(var.cors_allowed_origins, var.aliases)))
+    content {
+      allowed_headers = var.cors_allowed_headers
+      allowed_methods = var.cors_allowed_methods
+      allowed_origins = [cors_rule.value]
+      expose_headers  = var.cors_expose_headers
+      max_age_seconds = var.cors_max_age_seconds
+    }
   }
 }