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const winston = require('winston');
const path = require('path');
const logger = winston.createLogger({
level: process.env.LOG_LEVEL || 'info',
format: winston.format.combine(
winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
winston.format.errors({ stack: true }),
winston.format.json()
),
defaultMeta: { service: 'lottery-api' },
transports: [
new winston.transports.File({ filename: path.join(__dirname, '../logs/error.log'), level: 'error' }),
new winston.transports.File({ filename: path.join(__dirname, '../logs/combined.log') }),
new winston.transports.Console({
format: winston.format.combine(
winston.format.colorize(),
winston.format.printf(({ timestamp, level, message, ...meta }) => {
const metaStr = Object.keys(meta).length ? JSON.stringify(meta) : '';
return `${timestamp} [${level}]: ${message} ${metaStr}`;
})
)
})
]
});
module.exports = logger;