Fix: Example envs and docs (#113)

Author: Ryuse

README.md

@@ -16,7 +16,7 @@ Team Members:
 - WOO ZONG HUA ([@wzhua02](https://github.com/wzhua02))
 - CENSON LEE LEMUEL JOHN ALEJO ([@Ryuse](https://github.com/Ryuse))
 - SONG JIA HUI ([@jiahui0309](https://github.com/jiahui0309))
-- SHARON SOH XUAN HUI (@[xGladiate](https://github.com/xGladiate))
+- SHARON SOH XUAN HUI ([@xGladiate](https://github.com/xGladiate))
 - YAP ZHAO YI ([@ToxOptimism](https://github.com/ToxOptimism)/[@ToxicOptimism](https://github.com/ToxicOptimism))
 
 ---
@@ -110,9 +110,7 @@ Once all containers are up and running, you can:
 
 ## Architecture Diagram
 
-[Architecture Diagram](https://github.com/CS3219-AY2526Sem1/cs3219-ay2526s1-project-g09/blob/master/docs/architecture_diagram.png)
-
-—
+![alt text](https://github.com/CS3219-AY2526Sem1/cs3219-ay2526s1-project-g09/blob/master/docs/architecture_diagram.png "Architecture Diagram")
 
 ## Ports
 

backend-services/leetcode-backend-service/.env.example

@@ -1,6 +1,6 @@
 MONGODB_URI=mongodb+srv://admin:<db-password>@cluster3219.ll0nzkk.mongodb.net/?retryWrites=true&w=majority&appName=Cluster3219
 ADMIN_TOKEN=<db-password>
-QUESTION_API_URL=http://localhost:5275/api/v1/question-service
+QUESTION_API_URL=http://peerprep-question-backend:5275/api/v1/question-service
 # Maximum number of concurrent LeetCode detail fetches.
 # Optional: defaults to 6 if not set.
 LEETCODE_DETAIL_CONCURRENCY=6

backend-services/matching-backend-service/.env.example

@@ -8,6 +8,7 @@ SPRING_DATA_MONGODB_URI=mongodb+srv://admin:<DB_PASSWORD>@cluster3219.ll0nzkk.mo
 SPRING_DATA_REDIS_HOST=redis
 SPRING_DATA_REDIS_PORT=6379
 SPRING_DATA_REDIS_SSL_ENABLED=false #For dev. true for prod
+COLLAB_SERVICE_BASE_URL=http://collab-service:5276/api/v1/collab-service/
 
 PORT=5274
 ALLOWED_ORIGINS=http://localhost:5173,https://d1h013fkmpx3nu.cloudfront.net