Add option to set a healthCheck property on the task container defini…

…tion (#91)

examples/basic/main.tf

@@ -112,6 +112,14 @@ module "fargate" {
     TEST_VARIABLE = "TEST_VALUE"
   }
 
+  task_container_health_check = {
+    retries     = 3,
+    command     = ["CMD-SHELL", "curl -f http://localhost:9000/ || exit 1"],
+    timeout     = 5,
+    interval    = 30,
+    startPeriod = 15
+  }
+
   health_check = {
     port = "traffic-port"
     path = "/"

main.tf

@@ -137,6 +137,7 @@ locals {
   log_multiline_pattern        = var.log_multiline_pattern != "" ? { "awslogs-multiline-pattern" = var.log_multiline_pattern } : null
   task_container_secrets       = length(var.task_container_secrets) > 0 ? { "secrets" = var.task_container_secrets } : null
   repository_credentials       = length(var.repository_credentials) > 0 ? { "repositoryCredentials" = { "credentialsParameter" = var.repository_credentials } } : null
+  task_container_health_check  = length(var.task_container_health_check) > 0 ? { "healthCheck" = var.task_container_health_check } : null
   task_container_port_mappings = var.task_container_port == 0 ? var.task_container_port_mappings : concat(var.task_container_port_mappings, [{ containerPort = var.task_container_port, hostPort = var.task_container_port, protocol = "tcp" }])
   task_container_environment   = [for k, v in var.task_container_environment : { name = k, value = v }]
   task_container_mount_points  = concat([for v in var.efs_volumes : { containerPath = v.mount_point, readOnly = v.readOnly, sourceVolume = v.name }], var.mount_points)
@@ -163,7 +164,7 @@ locals {
     }
     "privileged" : var.privileged
     "readonlyRootFilesystem" : var.readonlyRootFilesystem
-  }, local.task_container_secrets, local.repository_credentials)
+  }, local.task_container_secrets, local.repository_credentials, local.task_container_health_check)
 }
 
 resource "aws_ecs_task_definition" "task" {

variables.tf

@@ -24,6 +24,11 @@ variable "task_container_secrets_kms_key" {
   default     = "alias/aws/secretsmanager"
 }
 
+variable "task_container_health_check" {
+  description = "https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_HealthCheck.html"
+  default     = ""
+}
+
 variable "vpc_id" {
   description = "The VPC ID."
   type        = string