magnetikonline

AWS CloudFormation YAML template - appending to list parameter types

Documenting this here, as I often forget (what I have found) is the best way to do this at the moment.

For example, you have a list of two existing security groups given to a stack and wish to create (and use) a third - attaching all to an ALB:

AWSTemplateFormatVersion: '2010-09-09'
Description: Example template

erossignon

/* eslint no-process-exit: 0 */
"use strict";
Error.stackTraceLimit = Infinity;

var argv = require('yargs')
    .wrap(132)
    .string("port")
    .describe("port")
    .alias('p', 'port')
    .argv;