promise pool 이용해 코드실행 서버 병렬화
https://devtails.xyz/@adam/building-a-promise-pool-in-typescript
https://github.com/timdp/es6-promise-pool
https://github.com/supercharge/promise-pool
https://github.com/jhurliman/node-rate-limiter
https://github.com/SGrondin/bottleneck
https://agostonfung.medium.com/simple-javascript-promise-pool-c851aa50edbf
채점서버 병렬화
https://github.com/boostcampwm2023/web12-algo-with-me/pull/239
replication 시 자신 식별
https://stackoverflow.com/questions/39770712/how-can-a-container-identify-which-container-it-is-in-a-set-of-a-scaled-docker-c
https://forums.docker.com/t/how-to-identify-the-number-of-scaled-container/15041/5
https://devops.stackexchange.com/questions/5691/how-to-get-exposed-ports-from-inside-of-container
exposing port
https://www.baeldung.com/ops/docker-expose-more-than-one-port