By default Webigniter is a hosted solution, this means that you don't need an external hosting provider to host your website. However if you have specific needs you can also choose to host your Webigniter site elsewhere.
As mentioned, the default hosting option is hosting in the Webigniter environment.
By default the URL of your Webigniter website is https://my-site-name.webigniter.net, for testing purposes this may be enough, but if you want to be the URL something like https://mycoolname.com, you should add a hostname to the Webigniter site. You can do that by clicking 'add hostname' on the hosting page in the CMS (under tools). That is where you can enter mycoolname.com (don't enter http:// or https://). It will be directly added to the list and our servers will start listening to that hostname. Now all you have to do is create a DNS CNAME to the original hostname (my-site-name.webigniter.net in this example). If you don't know how to do this, your domain name manager will surely know how.
The diskspace available is depandant of the chosen Webigniter license. See the page 'license' within the CMS to see how much diskspace is available.
The Webigniter hosting is provided by a hosting service in western Europe, if you are located far from western Europe, it might be wise to setup external hosting to reduce lag.
The Webigniter hosting only provides webspace and an FTP user to access it, the service does not include a mailserver or database.
If, for some reason, you want to connect your own hosting server to the Webigniter CMS, this is how to do it.
Navigate to the hosting page (under tools) in the Webigniter CMS. If you enable the 'use external hosting' switch, you will be asked for some data of the hosting service.
You will need to specify the FTP credentials, so the media library has access to the media files. Don't worry, this data is not stored in plain-text, but will be saved after a heavy encryption. The media folder is the folder where the media files are located on the FTP server. The media URL is about the same folder, but then from a HTTP point of view.
After you click save, the FTP credentials are checked, and if OK, you can use your own hosting to host your Webigniter project. Check the 'Installation' docs to check how to connect your site to the CMS.