const options = {
gelfPro: {
fields: {
env: 'test',
facility: 'XYZ'
//
},
adapterName: 'udp', // optional; currently supported "udp", "tcp" and "tcp-tls"; default: udp
adapterOptions: { // this object is passed to the adapter.connect() method
host: '127.0.0.1', // optional; default: 127.0.0.1
port: 12201, // optional; default: 12201
}
}
}

const gelfTransport = new GelfTransport(options);

const logger = () => winston.createLogger( {
transports: [
new winston.transports.Console(),
gelfTransport
]
});

logger.info('Hello there');