backend/libs/common/src/logger/services/winston.logger.ts

import { utilities as nestWinstonModuleUtilities } from 'nest-winston';
import * as winston from 'winston';

export const winstonLoggerOptions: winston.LoggerOptions = {
  level:
    process.env.AZURE_POSTGRESQL_DATABASE === 'development' ? 'debug' : 'error',
  transports: [
    new winston.transports.Console({
      format: winston.format.combine(
        winston.format.timestamp(),
        nestWinstonModuleUtilities.format.nestLike('MyApp', {
          prettyPrint: true,
        }),
      ),
    }),
    new winston.transports.File({
      filename: 'logs/error.log',
      level: 'error',
      format: winston.format.json(),
    }),
    new winston.transports.File({
      filename: 'logs/combined.log',
      format: winston.format.json(),
    }),
  ],
};