feat: Add support for advanced deployment configurations (i.e. - blue/green deployment)

examples/blue-green/README.md

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+# ECS Cluster Blue/Green Deployment
+
+Configuration in this directory creates:
+
+- ECS cluster using Fargate (on-demand and spot) capacity providers
+- Example ECS service that utilizes
+  - Service Blue/Green Deployment and related listener/listener rules, target groups, IAM permissions
+  - AWS Firelens using FluentBit sidecar container definition
+  - Service connect configuration
+  - Load balancer target group attachment
+  - Security group for access to the example service
+
+## Usage
+
+To run this example you need to execute:
+
+```bash
+$ terraform init
+$ terraform plan
+$ terraform apply
+```
+
+Note that this example may create resources which will incur monetary charges on your AWS bill. Run `terraform destroy` when you no longer need these resources.
+
+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5.7 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 6.4 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 6.4 |
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_alb"></a> [alb](#module\_alb) | terraform-aws-modules/alb/aws | ~> 9.0 |
+| <a name="module_ecs"></a> [ecs](#module\_ecs) | ../../ | n/a |
+| <a name="module_vpc"></a> [vpc](#module\_vpc) | terraform-aws-modules/vpc/aws | ~> 6.0 |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_iam_role.ecs_elb_permissions](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role) | resource |
+| [aws_iam_role_policy_attachment.ecs_elb_management_role](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |
+| [aws_iam_role_policy_attachment.ecs_service_role](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |
+| [aws_service_discovery_http_namespace.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/service_discovery_http_namespace) | resource |
+| [aws_availability_zones.available](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/availability_zones) | data source |
+| [aws_ssm_parameter.fluentbit](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ssm_parameter) | data source |
+
+## Inputs
+
+No inputs.
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_alb_dns_name"></a> [alb\_dns\_name](#output\_alb\_dns\_name) | The DNS name of the load balancer |
+| <a name="output_cluster_arn"></a> [cluster\_arn](#output\_cluster\_arn) | ARN that identifies the cluster |
+| <a name="output_cluster_autoscaling_capacity_providers"></a> [cluster\_autoscaling\_capacity\_providers](#output\_cluster\_autoscaling\_capacity\_providers) | Map of capacity providers created and their attributes |
+| <a name="output_cluster_capacity_providers"></a> [cluster\_capacity\_providers](#output\_cluster\_capacity\_providers) | Map of cluster capacity providers attributes |
+| <a name="output_cluster_id"></a> [cluster\_id](#output\_cluster\_id) | ID that identifies the cluster |
+| <a name="output_cluster_name"></a> [cluster\_name](#output\_cluster\_name) | Name that identifies the cluster |
+| <a name="output_services"></a> [services](#output\_services) | Map of services created and their attributes |
+<!-- END_TF_DOCS -->
+
+## License
+
+Apache-2.0 Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-aws-ecs/blob/master/LICENSE).