• S3: https://aws.amazon.com/ko/s3/

• 람다: https://aws.amazon.com/ko/lambda/features/

• 클라우드 스토리지: https://cloud.google.com/storage/?hl=ko

• 클라우드 펑션스: https://cloud.google.com/functions/?hl=ko

• sharp 공식 문서: https://www.npmjs.com/package/sharp