Set reasonable defaults for ECS plugin health check timeout

.changelog/4767.txt

@@ -0,0 +1,4 @@
+```release-note:bug
+plugin/ecs: Set health check timeout and interval values to compatible default
+values.
+```

builtin/aws/ecs/components/platform/aws-ecs-platform/parameters.hcl

@@ -123,7 +123,7 @@ parameter {
 
 parameter {
   key         = "health_check"
-  description = "Health check settings for the app."
+  description = "Health check settings for the app.\nThese settings configure a health check for the application target group."
   type        = "category"
   required    = false
 }
@@ -151,10 +151,11 @@ parameter {
 }
 
 parameter {
-  key         = "health_check.interval"
-  description = "The amount of time, in seconds, between health checks."
-  type        = "int64"
-  required    = false
+  key           = "health_check.interval"
+  description   = "The amount of time, in seconds, between health checks."
+  type          = "int64"
+  required      = false
+  default_value = "30"
 }
 
 parameter {
@@ -180,10 +181,11 @@ parameter {
 }
 
 parameter {
-  key         = "health_check.timeout"
-  description = "The amount of time, in seconds, for which no target response means a failure."
-  type        = "int64"
-  required    = false
+  key           = "health_check.timeout"
+  description   = "The amount of time, in seconds, for which no target response means a failure. Must be lower than the interval."
+  type          = "int64"
+  required      = false
+  default_value = "5"
 }
 
 parameter {

builtin/aws/ecs/platform.go

@@ -1339,14 +1339,20 @@ func (p *Platform) resourceTargetGroupCreate(
 			createTargetGroupInput.HealthCheckPath = aws.String(p.config.HealthCheck.Path)
 		}
 
+		createTargetGroupInput.HealthCheckTimeoutSeconds = aws.Int64(5)
 		if p.config.HealthCheck.Timeout != 0 {
 			createTargetGroupInput.HealthCheckTimeoutSeconds = aws.Int64(p.config.HealthCheck.Timeout)
 		}
 
+		createTargetGroupInput.HealthCheckIntervalSeconds = aws.Int64(30)
 		if p.config.HealthCheck.Interval != 0 {
 			createTargetGroupInput.HealthCheckIntervalSeconds = aws.Int64(p.config.HealthCheck.Interval)
 		}
 
+		if *createTargetGroupInput.HealthCheckIntervalSeconds < *createTargetGroupInput.HealthCheckTimeoutSeconds {
+			return status.Errorf(codes.InvalidArgument, fmt.Sprintf("Health check interval cannot be shorter than the timeout"))
+		}
+
 		if p.config.HealthCheck.HealthyThresholdCount != 0 {
 			createTargetGroupInput.HealthyThresholdCount = aws.Int64(p.config.HealthCheck.HealthyThresholdCount)
 		} else {
@@ -3215,6 +3221,9 @@ deploy {
 
 	doc.SetField("health_check",
 		"Health check settings for the app.",
+		docs.Summary("These settings configure a health check for the application "+
+			"target group."),
+
 		docs.SubFields(func(doc *docs.SubFieldDoc) {
 			doc.SetField("protocol",
 				"The protocol for the health check to use.",
@@ -3225,10 +3234,12 @@ deploy {
 
 			doc.SetField("timeout",
 				"The amount of time, in seconds, for which no target response "+
-					"means a failure.")
+					"means a failure. Must be lower than the interval.",
+				docs.Default("5"))
 
 			doc.SetField("interval",
-				"The amount of time, in seconds, between health checks.")
+				"The amount of time, in seconds, between health checks.",
+				docs.Default("30"))
 
 			doc.SetField("healthy_threshold_count",
 				"The number of consecutive successful health checks required to"+