A capped Redis transport for winston.
- NodeJS 8.11.x
 - Winston 3.x
 
  const winston = require('winston');
  const redisTransport = require('winston-redis');
  const logger = winston.createLogger({
    level: 'info',
    transports: [
      new redisTransport()
    ]
  });
  logger.log({
    level: "info",
    message: "redis is awesome",
    reason: "it's fast" // this will get stored as meta data
  });This transport accepts the options accepted by the node-redis client:
- host: (Default localhost) Remote host of the Redis server
 - port: (Default 6379) Port the Redis server is running on.
 - auth: (Default None) Password set on the Redis server
 
In addition to these, the Redis transport also accepts the following options.
- redis: Either the redis client or the options for the redis client
 - length: (Default 200) Number of log messages to store.
 - container: (Default winston) Name of the Redis container you wish your logs to be in.
 - channel: (Default None) Name of the Redis channel to stream logs from.
 - meta: (Default {}) Custom fields to add to each log.
 - flatMeta: (Default false) Store meta data at the top level of the object rather than within a child 
metaobject. 
Metadata: Logged as JSON literal in Redis
  $ curl http://npmjs.org/install.sh | sh  $ npm install winston
  $ npm install winston-redisWinston-redis tests are written in mocha, using Abstract Winston Transport and designed to be run with npm.
  npm test