Add the meetup.com config to your production.json. The venue ID can be found in the DOM as data-id of the Select button when you create a new event. You can add up to 5 hosts IDs.
module.exports = {
apikey: '<your api key>',
group: '<meetup group name>',
group_id: <meetup group id>,
default_venue_id: <default venue id>,
hosts: [<host>, <host>, <host>],
simple_html_description: 'This slot could be yours! <a href="https://github.com/yourevent/speakers">Submit your talk now</a>. You did some crazy stuff with JavaScript? You want to show it to the community? Drop us a line on your topic on <a href="https://twitter.com/youraccount">Twitter</a>.'
};