CCM-11162: routing config table (#649)

Author: alexnuttall

infrastructure/terraform/modules/backend-api/dynamodb_table_routing_configuration.tf

@@ -0,0 +1,50 @@
+resource "aws_dynamodb_table" "routing_configuration" {
+  name         = "${local.csi}-routing-configuration"
+  billing_mode = "PAY_PER_REQUEST"
+
+  hash_key  = "owner"
+  range_key = "id"
+
+  attribute {
+    name = "owner"
+    type = "S"
+  }
+
+  attribute {
+    name = "id"
+    type = "S"
+  }
+
+  ttl {
+    attribute_name = "ttl"
+    enabled        = true
+  }
+
+  point_in_time_recovery {
+    enabled = true
+  }
+
+  server_side_encryption {
+    enabled     = true
+    kms_key_arn = var.kms_key_arn
+  }
+
+  tags = {
+    "NHSE-Enable-Dynamo-Backup" = var.enable_backup ? "True" : "False"
+  }
+
+  lifecycle {
+    ignore_changes = [
+      name, # To support backup and restore which will result in a new name otherwise
+    ]
+  }
+
+  global_secondary_index {
+    name               = "QueryById"
+    hash_key           = "id"
+    projection_type    = "KEYS_ONLY"
+  }
+
+  stream_enabled   = true
+  stream_view_type = "NEW_AND_OLD_IMAGES"
+}