인프런 커뮤니티 질문&답변

 webpack-hmr.config.js 작성 후, npm run start:dev 하면 db에러가 발생합니다 ㅠㅠ

mysql에서 db table도 생성했는데 왜그럴까요??

ERROR [TypeOrmModule] Unable to connect to the database.
MissingDriverError: Wrong driver: "undefined" given. Supported drivers are: "aurora-mysql", "aurora-postgres", "better-sqlite3", "capacitor", "cockroachdb", "cordova", "expo", "mariadb", "mongodb", "mssql", "mysql", "nativescript", "oracle", "postgres", "react-native", "sap", "sqlite", "sqljs", "spanner".
    at DriverFactory.create (/Users/jeongsoi/project/maumlab/board-api/node_modules/typeorm/driver/DriverFactory.js:72:23)
    at new DataSource (/Users/jeongsoi/project/maumlab/board-api/node_modules/typeorm/data-source/DataSource.js:49:59)
    at createTypeormDataSource (/Users/jeongsoi/project/maumlab/board-api/node_modules/@nestjs/typeorm/dist/typeorm-core.module.js:172:23)
    at TypeOrmCoreModule.<anonymous> (/Users/jeongsoi/project/maumlab/board-api/node_modules/@nestjs/typeorm/dist/typeorm-core.module.js:176:46)
    at Generator.next (<anonymous>)
    at /Users/jeongsoi/project/maumlab/board-api/node_modules/@nestjs/typeorm/dist/typeorm-core.module.js:20:71
    at new Promise (<anonymous>)
    at __awaiter (/Users/jeongsoi/project/maumlab/board-api/node_modules/@nestjs/typeorm/dist/typeorm-core.module.js:16:12)
    at /Users/jeongsoi/project/maumlab/board-api/node_modules/@nestjs/typeorm/dist/typeorm-core.module.js:174:76
    at Observable._subscribe (/Users/jeongsoi/project/maumlab/board-api/node_modules/rxjs/dist/cjs/internal/observable/defer.js:8:31)