minor readme updates

Author: erinbit

README.md

@@ -1,23 +1,23 @@
 # Test Rabbit
 
-This is a repo that when deployed as a fortrabbit App uses all common features of the platform. 
-It has an automatic test suite that is run whenever you visit the main page of the app.
-
-This test app is designed to work on all supported PHP versions.
+This is used internally by fortrabbit to test basic features of the platform.
+When deployed as a fortrabbit app there is an automatic test suite that runs whenever you visit the main page of the app.
 
 
 ## Local environment
+Running this locally doesn't really make sense, at it is designed to run on the fortrabbit platform.
+
+But you can build containers locally and run a simple test to ensure that composer will successfully install on all PHP versions.
 
 ```bash
 just start
+just test
 ```
 
 
 ## Deployment
 
-This repo is already deployed to Apps in all regions. 
-Whenever you push to the `master` branch on GitHub, 
-a GitHub Action is triggered that deploys that commit to the live apps.
+This repo is already deployed to apps in all regions on the current platform. 
 
 Further documentation for current platform: 
 https://www.notion.so/fortrabbit/testrabbit-237ed2d09f6280a49ca8dfdced0310a4