diff --git a/bot/index.js b/bot/index.js
index faac734..203c0f1 100644
--- a/bot/index.js
+++ b/bot/index.js
@@ -1,16 +1,25 @@
+const winston = require('winston');
 const SignerProvider = require('ethjs-provider-signer');
 const sign = require('ethjs-signer').sign;
 const Eth = require('ethjs-query');
 const prices = require('./prices');
 const config = require('../config');
 
-
 const provider = new SignerProvider(config.signerPath, {
   signTransaction: (rawTx, cb) => cb(null, sign(rawTx, process.env.KEY)),
   accounts: (cb) => cb(null, [address]),
 });
 const eth = new Eth(provider);
 
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.json(),
+  transports: [
+    new winston.transports.File({ filename: 'error.log', level: 'error' }),
+    new winston.transports.File({ filename: 'info.log', level: 'info'}),
+    new winston.transports.File({ filename: 'combined.log' })
+  ]
+});
 
 const bountyLabels = {
     'bounty-xs': 1, 
@@ -69,8 +78,8 @@ const getGasPrice = function(req) {
     // Check how to handle errors when promises does not arrive
 }
 
-const log = function() {
-    console.log(arguments);
+const log = function(msg) {
+    logger.info(msg);
 }
 
 module.exports = {
diff --git a/index.js b/index.js
index 13f9c53..01a3916 100644
--- a/index.js
+++ b/index.js
@@ -1,67 +1,67 @@
 /*
- * Bot that receives a POST request (from a GitHub issue comment webhook)
- * and in case it's a comment that has "@autobounty <decimal> <currency>"
- * awards that bounty to the address posted earlier in the thread (by the
- * commiteth bot).
- * TODO tests
- * REVIEW parsing, non-persisting storage of addresses, hardcoded string length.
- * Depends on commiteth version as of 2017-06-10.
- */
+* Bot that receives a POST request (from a GitHub issue comment webhook)
+* and in case it's a comment that has "@autobounty <decimal> <currency>"
+* awards that bounty to the address posted earlier in the thread (by the
+* commiteth bot).
+* TODO tests
+* REVIEW parsing, non-persisting storage of addresses, hardcoded string length.
+* Depends on commiteth version as of 2017-06-10.
+*/
 
 const config = require('./config');
 const bot = require('./bot');
 
 var express = require('express'),
-    cors = require('cors'),
-    helmet = require('helmet'),
-    app = express(),
-    bodyParser = require('body-parser'),
-    jsonParser = bodyParser.json();
+   cors = require('cors'),
+   helmet = require('helmet'),
+   app = express(),
+   bodyParser = require('body-parser'),
+   jsonParser = bodyParser.json();
 
 app.use(cors());
 app.use(helmet());
 
 // Receive a POST request at the address specified by an env. var.
 app.post(`${config.urlEndpoint}`, jsonParser, function(req, res, next) {
-    // TODO decide how long the delay to start everything should be
-  if (!req.body || !req.body.action)
-    return res.sendStatus(400);
+   // TODO decide how long the delay to start everything should be
+ if (!req.body || !req.body.action)
+   return res.sendStatus(400);
 
-  if (!bot.needsFunding(req))
-    return res.sendStatus(204);
+ if (!bot.needsFunding(req))
+   return res.sendStatus(204);
 
-  //const eth = bot.eth;
-  //const from = config.sourceAddress;
-  //const to = bot.getAddress(req);
-  const amount = bot.getAmount(req);
-  const gasPrice = bot.getGasPrice();
-  console.log('amount: ', amount);
-  console.log('gasPrice: ', gasPrice);
-  /*
-  eth.getTransactionCount(address, (err, nonce) => {
-    eth.sendTransaction({
-      from: from,
-      to: to,
-      gas: gas,
-      gasPrice: gasPrice,
-      value: amount,
-      nonce,
-    }, (err, txID) => {
-      if (err) {
-        config.log('Request failed', err)
-        return res.status(500).json(err)
-      }
-      else {
-        config.log('Successful request:', txID)
-        res.json({ txID })
-      }
-    });
-  });
-  */
-  return res.sendStatus(200);
+ //const eth = bot.eth;
+ //const from = config.sourceAddress;
+ //const to = bot.getAddress(req);
+ const amount = bot.getAmount(req);
+ const gasPrice = bot.getGasPrice();
+ bot.log('amount: ' +  amount);
+ bot.log('gasPrice: ' +  gasPrice);
+ /*
+ eth.getTransactionCount(address, (err, nonce) => {
+   eth.sendTransaction({
+     from: from,
+     to: to,
+     gas: gas,
+     gasPrice: gasPrice,
+     value: amount,
+     nonce,
+   }, (err, txID) => {
+     if (err) {
+       config.log('Request failed', err)
+       return res.status(500).json(err)
+     }
+     else {
+       config.log('Successful request:', txID)
+       res.json({ txID })
+     }
+   });
+ });
+ */
+ return res.sendStatus(200);
 });
 
 const port = process.env.PORT || 8181
 app.listen(port, function(){
-  console.log('Autobounty listening on port', port);
+ console.log('Autobounty listening on port', port);
 });
diff --git a/package.json b/package.json
index 956ddaf..377940e 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "express": "^4.15.2",
     "helmet": "^3.9.0",
     "lodash": "^4.17.4",
-    "web3": "^0.18.2"
+    "web3": "^0.18.2",
+    "winston": "^2.4.0"
   }
 }