load balancer (argument)

load_balancer

aws_ecs_service

.../...
load_balancer {
  target_group_arn = aws_lb_target_group.foo.arn
  container_name   = "mongo"
  container_port   = 8080
}
.../...

See also

• Terraform resource: aws_ecs_service: launch_type (EC2, FARGATE), iam_role, depends_on, load_balancer, desired_count, placement_constraints, deployment_minimum_healthy_percent, iam role
• Terraform ECS: module, resources: aws_ecs_cluster, aws_ecs_service: task definition, aws_ecs_task_definition: container_definitions