Also, if you're using python today, take a look at https://diagrams.mingrammer.com/ https://diagrams.mingrammer.com/ It's pretty good - uses Graphviz under the

Also, if you're using python today, take a look at https://diagrams.mingrammer.com/ https://diagrams.mingrammer.com/ It's pretty good - uses Graphviz under the hood, but supports many cloud icons/logos. Not completely sure if it allows you to provide any icon, but it wouldn't surprise me.