diff --git a/README.md b/README.md
index 41885dc..9dfccf6 100644
--- a/README.md
+++ b/README.md
@@ -22,3 +22,11 @@ the app is just 100Kib of static content, this app uses almost no resources.
 
 See the various scripts in this root directory for actions. For most cases, you
 can just run `./deploy.sh` to build and deploy the API and app.
+
+On the server, I also supply a `prod.env` file, with the following properties:
+```
+TEACHER_TOOLS_API_ENV=PROD
+TEACHER_TOOLS_DB_USERNAME=redacted
+TEACHER_TOOLS_DB_PASSWORD=redacted
+TEACHER_TOOLS_DB_URL=postgresql://localhost:5432/teacher_tools_prod
+```