andela/codepirates-ah-backend

import winston from 'winston';
import 'express-async-errors';

export default () => {
  winston.createLogger({
    level: 'info',
    format: winston.format.json(),
    defaultMeta: { service: 'user-service' },
    transports: [
      new winston.transports.File({
        filename: 'logs/error.log',
        level: 'error'
      }),
      new winston.transports.File({ filename: 'logs/combined.log' })
    ],
    exceptionHandlers: [
      new winston.transports.File({ filename: 'logs/exceptions.log' })
    ]
  });

  if (process.env.NODE_ENV !== 'production') {
    winston.add(
      new winston.transports.Console({
        format: winston.format.simple()
      })
    );
  }
};