Adds a variable "engine_version" to set the version of RDS

Author: souza-dan

README.md

@@ -56,6 +56,7 @@ This terraform module will create:
 | backup\_retention\_period | Backup retention period in days | `number` | `14` | no |
 | backup\_window | Backup window | `string` | `"03:29-03:59"` | no |
 | copy\_tags\_to\_snapshot | Copy tags to snapshots | `bool` | `true` | no |
+| engine\_version | Version of RDS Postgres | `string` | `"12.3"` | no |
 | identifier\_prefix | Identifier prefix for the RDS instance | `string` | `"tamr-rds-"` | no |
 | instance\_class | Instance class | `string` | `"db.m4.large"` | no |
 | maintenance\_window | Maintenance window | `string` | `"sun:04:32-sun:05:02"` | no |

main.tf

@@ -25,7 +25,7 @@ resource "aws_db_instance" "rds_postgres" {
   storage_encrypted     = true
 
   engine         = "postgres"
-  engine_version = "9.6"
+  engine_version = var.engine_version
   instance_class = var.instance_class
 
   username = var.username

variables.tf

@@ -125,3 +125,10 @@ variable "additional_cidrs" {
   type        = list(string)
   default     = []
 }
+
+variable "engine_version" {
+  description = "Version of RDS Postgres"
+  type        = string
+  default     = "12.3"
+
+}