feat: update AWS provider versions, add WEB_CONCURRENCY env var, and generate terraform graph

- Add .terraform file patterns to .gitignore
- Configure WEB_CONCURRENCY in _local.tf based on autoscaling settings
- Generate updated terraform dependency graph in tfutil.sh and output as graph.png

Author: alismx

.gitignore

@@ -0,0 +1,2 @@
+.terraform.*
+.terraform/**

README.md

@@ -111,10 +111,10 @@ The current architectural design for dibbs-aws is as follows:
 
 | Name | Version |
 |------|---------|
-| <a name="provider_aws"></a> [aws](#provider\_aws) | ~> 5.86.0 |
-| <a name="provider_dockerless"></a> [dockerless](#provider\_dockerless) | ~> 0.1.1 |
-| <a name="provider_null"></a> [null](#provider\_null) | ~> 3.2.3 |
-| <a name="provider_random"></a> [random](#provider\_random) | ~> 3.6.3 |
+| <a name="provider_aws"></a> [aws](#provider\_aws) | 5.86.1 |
+| <a name="provider_dockerless"></a> [dockerless](#provider\_dockerless) | 0.1.1 |
+| <a name="provider_null"></a> [null](#provider\_null) | 3.2.4 |
+| <a name="provider_random"></a> [random](#provider\_random) | 3.6.3 |
 
 ## Modules
 

_local.tf

@@ -158,7 +158,12 @@ locals {
       registry_url      = local.registry_url,
       root_service      = false,
       listener_priority = 50000
-      env_vars          = []
+      env_vars          = [
+        {
+          name  = "WEB_CONCURRENCY",
+          value = try((floor(var.override_autoscaling["fhir-converter"].cpu/1000) + 1), 1)
+        }
+      ]
     },
     ingestion = {
       short_name        = "inge",

graph.png

@@ -3,3 +3,4 @@
 terraform fmt
 terraform-docs markdown table --output-file README.md --output-mode inject .
 tflint -f compact
+terraform graph -draw-cycles | dot -Tpng >graph.png