update README

lroolle · lroolle · commit f0f603babb7c · 2024-08-15T18:59:12.000-07:00
diff --git a/apps/postgres-new/README.md b/apps/postgres-new/README.md
@@ -13,9 +13,20 @@ Both databases are stored locally in the browser via IndexedDB. This means that
 
 Every PGlite instance runs in a Web Worker so that the main thread is not blocked.
 
+
 ## AI
 
-The AI component is powered by OpenAI's GPT-4o model. The project uses [Vercel's AI SDK ](https://sdk.vercel.ai/docs/introduction) to simplify message streams and tool calls.
+The AI component is powered by OpenAI's GPT-4o model by default. The project uses [Vercel's AI SDK](https://sdk.vercel.ai/docs/introduction) to simplify message streams and tool calls.
+
+### Environment Variables
+
+In addition to the required `OPENAI_API_KEY`, the following environment variables can be configured:
+
+- `OPENAI_API_BASE`: (Optional) The base URL for the OpenAI API. Defaults to `https://api.openai.com/v1`.
+- `OPENAI_MODEL`: (Optional) The model used by the AI component. Defaults to `gpt-4o-2024-08-06`.
+
+**NOTE**: The current prompts and tools are designed around the GPT-4o model. If you choose to use a different model, expect different behavior and results. Additionally, ensure that the model you select supports tool (function) call capabilities.
+
 
 ## Authentication
 
