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 Process:
 - Find/create a docker-compose file for the one click app
 - Convert yaml file to json
-- Copy the content into the one-click app structure. See this for the reference: [wordpress.json](https://github.com/caprover/one-click-apps/blob/master/public/v1/apps/wordpress.json)
+- Copy the content into the one-click app structure. See this for the reference: [wordpress.json](https://github.com/caprover/one-click-apps/blob/master/public/v2/apps/wordpress.json)
 - Variables are prefixed with `$$cap`
-- There is one special variable called `$$cap_appname` which exists for all oneclick apps
 - Variables can be anywhere in the JSON and they will be replaced by what user enters
-- Each variable must have `id`, `label`. They may also have `defaultValue`, `validRegex`, `description`.
+- There are 2 special variables called `$$cap_appname` and `$$cap_root_domain` which exist for all oneclick apps. If your app needs an enviromental variable that needs to point to the URL of the app, you can use `$$cap_appname.$$cap_root_domain` which resolves to something like `myappname.rootdomain.com`
+- Each custom variable must have `id`, `label`. They may also have `defaultValue`, `validRegex`, `description`.
 - Other than `image`, `environment`, `ports`, `volumes`, `depends_on`, other parameters are currently being ignored by CapRover. Make sure they are not crucial.
 - Instead of `image` property in a service, you can use `dockerfileLines` which is an array of strings.
-- Some webapps, use a non-standard HTTP port. For example, Adminer's Docker image uses port 8080. In this case, add `containerHttpPort` to the service. See [adminer.json](https://github.com/caprover/one-click-apps/blob/master/public/v1/apps/adminer.json) for example.
+- Some webapps, use a non-standard HTTP port. For example, Adminer's Docker image uses port 8080. In this case, add `containerHttpPort` to the service. See [adminer.json](https://github.com/caprover/one-click-apps/blob/master/public/v2/apps/adminer.json) for example.
 
 
 ## Test your One Click Apps
-After creating your One-Click app json, like [this](https://github.com/caprover/one-click-apps/blob/master/public/v1/apps/adminer.json), you need to test it before creating a Pull Request. Here is how you test it:
+After creating your One-Click app json, like [this](https://github.com/caprover/one-click-apps/blob/master/public/v2/apps/adminer.json), you need to test it before creating a Pull Request. Here is how you test it:
 - Login to your CapRover dashboard
 - Go to apps and click on Create One Click App
 - Select the last option from the dropdown list "TEMPLATE"