resource "aws_ecs_task_definition" "main" { family = "track-latest" requires_compatibilities = ["FARGATE"] cpu = "256" memory = "512" network_mode = "awsvpc" execution_role_arn = aws_iam_role.task_exec.arn runtime_platform { cpu_architecture = "X86_64" operating_system_family = "LINUX" } container_definitions = <<TASK_DEFINITION [ { "name": "nginx", "image": "XXXXXXXXXXXX.dkr.ecr.ap-northeast-1.am