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mongodb connect
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await mongoose.connect(MONGO_URI, {useNewUrlParser : true , useUnifiedTopology:true , useCreateIndex:true});
useCreateIndex:true}이부분을 추가시 mongodb 6.0이상 버전에서
MongoParseError: option usecreateindex is not supported
위와 같은 에러가 발생합니다.
데이터 엔지니어링javascriptawsmongodbnodejsDBMS/RDBMSrest-api
해당 코드를 빼면 unique index가 안되는거 같습니다!