실서버에 환경변수 추가

docker/deploy/docker-compose.yml

@@ -45,6 +45,7 @@ services:
     environment:
       NODE_ENV: production
       NEXT_PUBLIC_API_URL: https://api.vexplor.com/api
+      SERVER_API_URL: "http://backend:3001"
       NEXT_TELEMETRY_DISABLED: "1"
       PORT: "3000"
       HOSTNAME: 0.0.0.0