backend/src/middleware/logger.ts

import pino from 'pino';

export const logger = pino({
  level: process.env.LOG_LEVEL || 'info',
  transport: process.env.NODE_ENV !== 'production'
    ? { target: 'pino-pretty', options: { colorize: true, translateTime: 'HH:MM:ss' } }
    : undefined,
});