Fix RDS instance type, upgrade AWS tf module, fix too many concurrent events error, upgrade retool instance for Retool-ECS-EC2

Author: andre347

modules/aws_ecs_ec2/README.md

@@ -3,6 +3,7 @@
 This module deploys an ECS cluster with autoscaling group of EC2 instances.
 
 # Usage
+
 1. Directly use our module in your existing Terraform configuration and provide the required variables
 
 ```
@@ -45,12 +46,12 @@ module "retool" {
 To configure the EC instance size, set the `instance_type` input variable (e.g. `t2.large`).
 
 **RDS Instance Class**
-To configure the RDS instance class, set the `instance_class` input variable (e.g. `db.m4.large`).
+To configure the RDS instance class, set the `instance_class` input variable (e.g. `db.m6g.large`).
 
 ## Advanced Configuration
 
-
 ### Security Groups
+
 To customize the ingress and egress rules on the security groups, you can override specific input variable defaults.
 
 - `ec2_ingress_rules` controls the inbound rules for EC2 instances in the autoscaling group
@@ -99,6 +100,7 @@ ec2_egress_rules = [
 ```
 
 ### Environment Variables
+
 To add additional [Retool environment variables](https://docs.retool.com/docs/environment-variables) to your deployment, populate the `additional_env_vars` input variable into the module.
 
 NOTE: The `additional_env_vars` will only work as type `map(string)`. Convert all booleans and numbers into strings, e.g.

modules/aws_ecs_ec2/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "3.50.0"
+      version = "~> 4.0"
     }
   }
 }
@@ -144,12 +144,12 @@ resource "aws_cloudwatch_log_group" "this" {
 }
 
 resource "aws_db_instance" "this" {
-  identifier                   = "${var.deployment_name}-rds-instance"
+  identifier                    = "${var.deployment_name}-rds-instance"
   allocated_storage            = 80
   instance_class               = var.rds_instance_class
   engine                       = "postgres"
-  engine_version               = "10.6"
-  name                         = "hammerhead_production"
+  engine_version               = "13.7"
+  db_name                      = "hammerhead_production"
   username                     = aws_secretsmanager_secret_version.rds_username.secret_string
   password                     = aws_secretsmanager_secret_version.rds_password.secret_string
   port                         = 5432
@@ -158,7 +158,7 @@ resource "aws_db_instance" "this" {
   performance_insights_enabled = var.rds_performance_insights_enabled
 
   skip_final_snapshot          = true
-  apply_immediately            = true
+  apply_immediately           = true
 }
 
 resource "aws_ecs_service" "retool" {
@@ -184,7 +184,7 @@ resource "aws_ecs_service" "jobs_runner" {
   task_definition = aws_ecs_task_definition.retool_jobs_runner.arn
 }
 resource "aws_ecs_task_definition" "retool_jobs_runner" {
-  family        = "retool"
+  family        = "retool-jobs-runner"
   task_role_arn = aws_iam_role.task_role.arn
   container_definitions = jsonencode(
     [

modules/aws_ecs_ec2/outputs.tf

@@ -39,6 +39,6 @@ output "rds_instance_arn" {
 }
 
 output "rds_instance_name" {
-  value       = aws_db_instance.this.name
+  value       = aws_db_instance.this.db_name
   description = "Name of RDS instance"
 }

modules/aws_ecs_ec2/variables.tf

@@ -57,8 +57,8 @@ variable "retool_license_key" {
 
 variable "ecs_retool_image" {
   type        = string
-  description = "Container image for desired Retool version. Defaults to `2.96.2`"
-  default     = "tryretool/backend:2.96.2"
+  description = "Container image for desired Retool version. Defaults to `2.106.2`"
+  default     = "tryretool/backend:2.106.2"
 }
 
 variable "ecs_task_cpu" {
@@ -93,8 +93,8 @@ variable "rds_username" {
 
 variable "rds_instance_class" {
   type        = string
-  default     = "db.m4.large"
-  description = "Instance class for RDS. Defaults to `db.m4.large`"
+  default     = "db.m6g.large"
+  description = "Instance class for RDS. Defaults to `db.m6g.large`"
 }
 
 variable "rds_publicly_accessible" {