aws / aws/aws-cdk

[ecs-patterns]: Allow configure health check while construct ApplicationMultipleTargetGroupsEc2Service and ApplicationTargetProps

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@aws-cdk/aws-ecs-patterns feature-request p2
Dominant language
TypeScript
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Avg merge
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Description

### Describe the feature

I'm creating an ecs service with multiple target groups using ecs_pattern module.

```
alb_props = ecs_patterns.ApplicationLoadBalancerProps(
name="custom-alb-name",
domain_name="*.example.com",
domain_zone=route53.HostedZone.from_hosted_zone_attributes(
self, "HostedZone",
hosted_zone_id="xxxxxx",
zone_name="example.com"
),
listeners=[
listener_1, listener2
],
public_load_balancer=False
)

target_props_1 = ecs_patterns.ApplicationTargetProps(
container_port=8001,
protocol=ecs.Protocol.TCP,
listener=listener_1.name
)

ecs_service = ecs_patterns.ApplicationMultipleTargetGroupsEc2Service(
self, "ECS-ID",
service_name="service-name",
cluster=cluster-name-ref,
task_definition=task_definition,
load_balancers=[alb_props],
target_groups=[target_props_1, target_prop_2],
cpu=1024,
memory_reservation_mib=2048,
desired_count=1
)
```

The current one, I cannot configure health check for `target_group_1` because the `ApplicationTargetProps` do not allow health check config.

I want the `ApplicationTargetProps` allow config health check also

### Use Case

Because I want to config health check for target groups with custom path and code rather than the default one to ensure create resource successfully

### Proposed Solution

_No response_

### Other Information

_No response_

### Acknowledgements

- [ ] I may be able to implement this feature request
- [ ] This feature might incur a breaking change

### CDK version used

2.54.0

### Environment details (OS name and version, etc.)

Window

Contributor guide

Open the contributing guide

Research direction

Start with the ApplicationTargetProps entry point and trace how ApplicationMultipleTargetGroupsEc2Service creates each target group from the supplied target_props values. Check how health-check settings are represented in the underlying target group API and follow the existing construct property flow. Done means callers can configure a custom health-check path and response code for each target group.

Written by the indexing model from the issue text.

Assessment

Tech stack
aws, typescript
Domain
cloud, infrastructure
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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