이것저것..TIL

1.라우팅 분리와 req,res,uri

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2.createConnection vs createPool

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3.정적(static) 파일 서비스

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4.Props vs State

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5.Auth 적용하기

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6.useEffect()

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7.Async / await - React.js

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8.MongoStore로 세션 활용하기

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9.MongoDB TTL 설정

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