diff --git a/webapp/Dockerfile b/webapp/Dockerfile
index ef38766..8c6c640 100644
--- a/webapp/Dockerfile
+++ b/webapp/Dockerfile
@@ -14,7 +14,7 @@ COPY webapp/ .
 ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1
 # Use a dummy DB_URI during build to prevent connection attempts
-ENV DB_URI=mongodb://dummy:password@localhost:27017/dummy
+ENV DB_URI=mongodb://${MONGO_INITDB_ROOT_USERNAME}:${MONGO_INITDB_ROOT_PASSWORD}@mongodb:27017/Infinity?authSource=admin
 
 # Build the application
 RUN npm run build