日志管理

安装

npm install --save nest-winston winston winston-daily-rotate-file

配置

import { NestFactory } from '@nestjs/core'
import { AppModule } from './app.module'
import { WinstonModule } from 'nest-winston'
import * as winston from 'winston'
import * as DailyRotateFile from 'winston-daily-rotate-file'
async function bootstrap() {
  const app = await NestFactory.create(AppModule, {
    logger: WinstonModule.createLogger({
      level: 'info',
      format: winston.format.combine(winston.format.timestamp(), winston.format.json()),
      transports: [
        new DailyRotateFile({
          filename: 'src/logs/info-%DATE%.log',
          datePattern: 'YYYY-MM-DD',
          zippedArchive: true,
          maxSize: '20m',
          maxFiles: '15d',
          level: 'info',
        }),
        new DailyRotateFile({
          filename: 'src/logs/error-%DATE%.log',
          datePattern: 'YYYY-MM-DD',
          zippedArchive: true,
          maxSize: '20m',
          maxFiles: '15d',
          level: 'error',
        }),
      ],
    }),
  })
  await app.listen(3000)
}
bootstrap()

至此，本章节的学习就到此结束了，如有疑惑，可对接技术客服进行相关咨询。