백엔드

1.package.json, 모듈

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2.파일 입출력, http 모듈, EJS

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3.fetch, express, get

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4.Post, Express

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5.라우트, Swagger

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6.Session

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7.JSON Web Token

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8.X

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9.MySQL

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10.MySQL(2)

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11.MySQL 연동

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12.X project에 MySQL 연동

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13.MongoDB #1

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14.MongoDB #2

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15.X project에 MongoDB 연동

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16.Mongoose

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17.파일 업로드

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18.웹소켓

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