What PPaaS version you have installed, 4.0.0 or from current master branch which is 4.1.0 milestone 1 version?
Here is the quick start guide Quick start guide .
You can access the management console as https://STRATOS_DOMAIN:9443/console.
Assuming you are using PP 4.0.0 version,
- Log into management console
- Go to cartridges page. There you can find the available cartridges, you should find Application Server as a cartridge.
- Click on AS cartridge in order to subscribe for it. At subscribing process you would be asked a GIT repository URL.
After you subscribe, PP will clone what is in your GIT repository url in to Application server. So if you provide a url which has your web application, those application would be automatically deployed into the Application server. Here is a sample GIT repository , you can include your web apps under "webapps" folder.
There after if you modify your web apps (say web app version 2) and commit the changes to your repository, Stratos/PP automatically update Application server with the new web apps.
Since you have already deployed PP, you can have a loot at this screencast to see how you can deploy a web app