fix: dependency resolution order

Author: taharah

examples/multi-runner/main.tf

@@ -3,17 +3,25 @@ locals {
   aws_region  = "eu-west-1"
 
   # Load runner configurations from Yaml files
-  multi_runner_config = {
+  multi_runner_config_files = {
     for c in fileset("${path.module}/templates/runner-configs", "*.yaml") :
 
-    trimsuffix(c, ".yaml") => yamldecode(
-      templatefile(
-        "${path.module}/templates/runner-configs/${c}",
-        {
-          vpc_id     = module.base_other.vpc.vpc_id
-          subnet_ids = jsonencode(module.base_other.vpc.private_subnets)
-        }
-      )
+    trimsuffix(c, ".yaml") => yamldecode(file("${path.module}/templates/runner-configs/${c}"))
+  }
+  multi_runner_config = {
+    for k, v in local.multi_runner_config_files :
+
+    k => merge(
+      v,
+      {
+        runner_config = merge(
+          v.runner_config,
+          {
+            subnet_ids = lookup(v.runner_config, "subnet_ids", null) != null ? module.base_other.vpc.private_subnets : null
+            vpc_id     = lookup(v.runner_config, "vpc_id", null) != null ? module.base_other.vpc.vpc_id : null
+          }
+        )
+      }
     )
   }
 }