Update README.md

README.md

@@ -17,6 +17,34 @@ Admin account (if needed):
 1. Clone [our repo](https://github.com/CS3219-AY2425S1/cs3219-ay2425s1-project-g01.git) on your preferred IDE
 2. Open 2 terminals on your IDE (One for Frontend, One for Backend)
 3. Ensure you're on our latest commit on main branch
+4. Create `.env` files in the following directories, and populate them respectively:
+> [!NOTE]
+> The following section is solely for official testing in CS3219.
+
+`peer-prep-be/`:
+```
+MONGODB_URI=mongodb+srv://peer-prep:[email protected]/?retryWrites=true&w=majority&appName=peer-prep-cluster0
+PORT=8080
+```
+`message-queue/`
+```
+AMQP_SERVER=amqps://lguugvwb:[email protected]/lguugvwb
+MONGODB_URI=mongodb+srv://peer-prep:[email protected]/?retryWrites=true&w=majority&appName=peer-prep-cluster0
+PORT=3002
+```
+`peer-prep-collab/src/`:
+```
+PORT=4003
+MATCHING_SERVICE_URL=http://localhost:3002
+QUESTIONS_SERVICE_URL=http://localhost:8080
+DB_CLOUD_URI=mongodb+srv://peer-prep:[email protected]/?retryWrites=true&w=majority&appName=peer-prep-cluster0
+```
+`peer-prep-user/user-service/`
+```
+ENV=PROD
+DB_CLOUD_URI=mongodb+srv://peer-prep:[email protected]/?retryWrites=true&w=majority&appName=peer-prep-cluster0
+JWT_SECRET=you-can-replace-this-with-your-own-secret
+```
 
 #### Spin up backend
 Before proceeding to the following procedures, install Docker Desktop