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Terraform NLB served ECS service
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# Following assumes you already have an ECS Cluster in place | |
resource "aws_lb" "this" { | |
name = "some-service-nlb" | |
load_balancer_type = "network" | |
internal = false | |
idle_timeout = "150" | |
subnets = "${var.subnet_list}" | |
} | |
resource "aws_ecs_task_definition" "this" { | |
family = "${var.task_family_name}" | |
task_role_arn = "${var.task_definition_role_arn}" | |
network_mode = "awsvpc" | |
container_definitions = <<EOF | |
[ | |
{ | |
"cpu": 128, | |
"essential": true, | |
"image": "postgres:latest", | |
"memory": 512, | |
"memoryReservation": 512, | |
"name": "postgres", | |
"portMappings": [ | |
{ | |
"hostPort": ${var.container_port}, | |
"protocol": "tcp", | |
"containerPort": ${var.container_port} | |
} | |
] | |
} | |
] | |
EOF | |
} | |
resource "aws_ecs_service" "this" { | |
name = "${var.app_name}-service" | |
task_definition = "${var.task_family_name}:latests" | |
cluster = "${var.ecs_cluster_id}" | |
desired_count = "${var.service_task_count}" | |
network_configuration { | |
subnets = "${var.subnet_list}" | |
security_groups = ["${var.task_service_security_group}"] | |
} | |
deployment_maximum_percent = "${var.deployment_max_percent}" | |
deployment_minimum_healthy_percent = "${var.deployment_min_healthy_percent}" | |
health_check_grace_period_seconds = "${var.health_check_grace_period}" | |
scheduling_strategy = "REPLICA" | |
load_balancer { | |
target_group_arn = "${aws_lb_target_group.this.arn}" | |
container_name = "${var.container_name}" | |
container_port = "${var.container_port}" | |
} | |
} | |
resource "aws_lb_target_group" "this" { | |
name = "${var.environment}-${var.base_name}-ecs-current" | |
port = "${var.container_port}" | |
protocol = "TCP" | |
vpc_id = "${var.vpc_id}" | |
target_type = "ip" | |
health_check { | |
protocol = "${var.lb_tg_health_check_protocol}" | |
} | |
} | |
resource "aws_lb_listener" "this" { | |
load_balancer_arn = "${aws_lb.this.arn}" | |
port = "${var.container_port}" | |
protocol = "TCP" | |
default_action { | |
type = "forward" | |
target_group_arn = "${aws_lb_target_group.this.arn}" | |
} | |
} |
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