const appService = new awsx.ecs.FargateService("app-svc", {
    cluster,
    taskDefinitionArgs: {
        container: {
            image: 'jupyter/datascience-notebook',
            cpu: 102 /*10% of 1024*/,
            memory: 5000 /*MB*/,
            portMappings: [ listener ],
        },
    },
    desiredCount: 1,
});