diff --git a/caracal.js b/caracal.js
index 03f47a8..36b5572 100644
--- a/caracal.js
+++ b/caracal.js
@@ -21,6 +21,10 @@ const sanitizeBody = require('./handlers/sanitizeHandler.js');
 const DataSet = require('./handlers/datasetHandler.js');
 const Model = require('./handlers/modelTrainer.js');
 const DataTransformationHandler = require('./handlers/dataTransformationHandler.js');
+
+// services
+const {logger} = require('./service/logger/winston');
+
 // TODO validation of data
 
 var WORKERS = process.env.NUM_THREADS || 4;
@@ -139,12 +143,12 @@ for (let i in routeConfig) {
   if (Object.prototype.hasOwnProperty.call(routeConfig, i)) {
     let rule = routeConfig[i];
     if (!rule.method) {
-      console.error('rule number '+ i +' has no "method"');
+      logger.error('rule number '+ i +' has no "method"');
       process.exit(1);
     }
     if (rule.method == 'static') {
       if (!rule.use) {
-        console.error('rule number '+ i +' is static and has no "use"');
+        logger.error('rule number '+ i +' is static and has no "use"');
         process.exit(1);
       }
       app.use(express.static(rule.use));
@@ -153,15 +157,15 @@ for (let i in routeConfig) {
         if (Object.prototype.hasOwnProperty.call(rule.handlers, j)) {
           let handler = rule.handlers[j];
           if (!rule.route) {
-            console.error('rule number '+ i +' has no "route"');
+            logger.error('rule number '+ i +' has no "route"');
             process.exit(1);
           }
           if (!handler.function) {
-            console.error('rule number '+ i +' handler ' + j + ' has no "function"');
+            logger.error('rule number '+ i +' handler ' + j + ' has no "function"');
             process.exit(1);
           }
           if (! HANDLERS.hasOwnProperty(handler.function)) {
-            console.error('handler named "'+ handler.function + '" not found (rule '+ i +' handler ' + j + ')');
+            logger.error('handler named "'+ handler.function + '" not found (rule '+ i +' handler ' + j + ')');
             process.exit(1);
           }
           let args = handler.args || [];
@@ -187,9 +191,9 @@ app.use(function(err, req, res, next) {
   // wrap strings in a json
   if (typeof err === 'string' || err instanceof String) {
     err = {'error': err};
-    console.error(err);
+    logger.error(err);
   } else {
-    console.error(err.error || err.message || err.toString());
+    logger.error(err.error || err.message || err.toString());
   }
   res.status(statusCode).json(err);
 });
@@ -202,17 +206,17 @@ var startApp = function(app) {
       var sslPkPath = "./ssl/privatekey.pem";
       var sslCertPath = "./ssl/certificate.pem";
       if (fs.existsSync(sslPkPath) && fs.existsSync(sslCertPath)) {
-        console.info("Starting in HTTPS Mode mode");
+        logger.info("Starting in HTTPS Mode mode");
         httpsOptions.key = fs.readFileSync(sslPkPath, 'utf8');
         httpsOptions.cert = fs.readFileSync(sslCertPath, 'utf8');
       }
     } catch (err) {
-      console.error(err);
+      logger.error(err);
     }
     if (httpsOptions.key && httpsOptions.cert) {
-      https.createServer(httpsOptions, app).listen(PORT, () => console.log('listening HTTPS on ' + PORT));
+      https.createServer(httpsOptions, app).listen(PORT, () => logger.info('listening HTTPS on ' + PORT));
     } else {
-      app.listen(PORT, () => console.log('listening on ' + PORT));
+      app.listen(PORT, () => logger.info('listening on ' + PORT));
     }
   };
 };
diff --git a/handlers/authHandlers.js b/handlers/authHandlers.js
index 0db87ae..1c80bf0 100644
--- a/handlers/authHandlers.js
+++ b/handlers/authHandlers.js
@@ -4,6 +4,7 @@ const jwksClient = require('jwks-rsa');
 var atob = require('atob');
 var fs = require('fs');
 var filterFunction = require('./filterFunction.js');
+const {logger} = require('../service/logger/winston');
 
 const {execSync} = require('child_process');
 const preCommand = "openssl req -subj ";
@@ -24,7 +25,7 @@ if (!fs.existsSync('./keys/key') && !fs.existsSync('./keys/key.pub') && GENERATE
   try {
     execSync(`${preCommand}'/CN=www.camicroscope.com/O=caMicroscope Local Instance Key./C=US'${postCommand}`);
   } catch (err) {
-    console.log({err: err});
+    logger.info({err: err});
   }
 }
 
@@ -35,13 +36,13 @@ try {
   } else {
     if (DISABLE_SEC || ENABLE_SECURITY_AT && Date.parse(ENABLE_SECURITY_AT) > Date.now()) {
       PRIKEY = '';
-      console.warn('prikey null since DISABLE_SEC and no prikey provided');
+      logger.warn('prikey null since DISABLE_SEC and no prikey provided');
     } else {
-      console.error('prikey does not exist');
+      logger.error('prikey does not exist');
     }
   }
 } catch (err) {
-  console.error(err);
+  logger.error(err);
 }
 
 try {
@@ -51,13 +52,13 @@ try {
   } else {
     if (DISABLE_SEC || ENABLE_SECURITY_AT && Date.parse(ENABLE_SECURITY_AT) > Date.now()) {
       PUBKEY = '';
-      console.warn('pubkey null since DISABLE_SEC and no prikey provided');
+      logger.warn('pubkey null since DISABLE_SEC and no prikey provided');
     } else {
-      console.error('pubkey does not exist');
+      logger.error('pubkey does not exist');
     }
   }
 } catch (err) {
-  console.error(err);
+  logger.error(err);
 }
 
 if (DISABLE_SEC && !JWK_URL) {
@@ -69,7 +70,7 @@ if (DISABLE_SEC && !JWK_URL) {
     jwksUri: JWK_URL,
   });
 } else {
-  console.error('need JWKS URL (JWK_URL)');
+  logger.error('need JWKS URL (JWK_URL)');
   process.exit(1);
 }
 
@@ -104,9 +105,9 @@ function jwkTokenTrade(jwksClient, signKey, userFunction) {
       res.status(401).send('{"err":"no token found"}');
     }
     jwksClient.getSigningKey(getJwtKid(THISTOKEN), (err, key) => {
-      // console.log(key);
+      // logger.info(key);
       if (err) {
-        console.error(err);
+        logger.error(err);
         res.status(401).send({
           'err': err,
         });
@@ -131,7 +132,7 @@ function tokenTrade(checkKey, signKey, userFunction) {
     }
     jwt.verify(THISTOKEN, checkKey, jwtOptions, function(err, token) {
       if (err) {
-        console.error(err);
+        logger.error(err);
         res.status(401).send({
           'err': err,
         });
@@ -143,7 +144,7 @@ function tokenTrade(checkKey, signKey, userFunction) {
           });
         } else {
           userFunction(token).then((x) => {
-            // console.log(x);
+            // logger.info(x);
             if (x === false) {
               res.status(401).send({
                 'err': 'User Unauthorized',
@@ -161,7 +162,7 @@ function tokenTrade(checkKey, signKey, userFunction) {
               });
             }
           }).catch((e) => {
-            console.log(e);
+            logger.info(e);
             res.status(401).send(e);
           });
         }
@@ -177,7 +178,7 @@ function loginHandler(checkKey) {
       try {
         token = jwt.decode(getToken(req)) || {};
       } catch (e) {
-        console.warn(e);
+        logger.warn(e);
       }
       req.tokenInfo = token;
       req.userType = token.userType || DEFAULT_USER_TYPE || 'Null';
@@ -193,7 +194,7 @@ function loginHandler(checkKey) {
       }
       jwt.verify(getToken(req), checkKey, jwtOptions, function(err, token) {
         if (err) {
-          console.error(err);
+          logger.error(err);
           res.status(401).send({
             'err': err,
           });
diff --git a/handlers/dataHandlers.js b/handlers/dataHandlers.js
index 7852339..c2dfbde 100644
--- a/handlers/dataHandlers.js
+++ b/handlers/dataHandlers.js
@@ -2,6 +2,7 @@ var mongo = require('mongodb');
 
 var MONGO_URI = process.env.MONGO_URI || 'mongodb://localhost';
 var DISABLE_SEC = (process.env.DISABLE_SEC === 'true') || false;
+const {logger} = require('../service/logger/winston');
 
 
 function mongoFind(database, collection, query) {
@@ -54,7 +55,7 @@ function mongoDistinct(database, collection, upon, query) {
         }
       });
     } catch (error) {
-      console.error(error);
+      logger.error(error);
       rej(error);
     }
   });
@@ -82,7 +83,7 @@ function mongoAdd(database, collection, data) {
         }
       });
     } catch (error) {
-      console.error(error);
+      logger.error(error);
       rej(error);
     }
   });
@@ -109,7 +110,7 @@ function mongoDelete(database, collection, query) {
           });
         }
       } catch (error) {
-        console.error(error);
+        logger.error(error);
         rej(error);
       }
     });
@@ -139,7 +140,7 @@ function mongoAggregate(database, collection, pipeline) {
           });
         }
       } catch (error) {
-        console.error(error);
+        logger.error(error);
         rej(error);
       }
     });
@@ -159,7 +160,7 @@ function mongoUpdate(database, collection, query, newVals) {
           }
           dbo.collection(collection).updateOne(query, newVals, function(err, result) {
             if (err) {
-              console.log(err);
+              logger.info(err);
               rej(err);
             }
             delete result.connection;
diff --git a/handlers/dataTransformationHandler.js b/handlers/dataTransformationHandler.js
index 3458777..d476b0c 100644
--- a/handlers/dataTransformationHandler.js
+++ b/handlers/dataTransformationHandler.js
@@ -1,6 +1,8 @@
 const client = require("mongodb").MongoClient;
 const fs = require("fs");
 
+const {logger} = require('../service/logger/winston');
+
 class DataTransformationHandler {
   constructor(url, path) {
     this.url = url;
@@ -14,7 +16,7 @@ class DataTransformationHandler {
   }
 
   startHandler() {
-    console.log("||-- Start --||");
+    logger.info("||-- Start --||");
     this.counter = 0;
     this.max = 300;
     this.id = 1;
@@ -29,7 +31,7 @@ class DataTransformationHandler {
       config = JSON.parse(rawdata);
     } catch (err) {
       if (err.code == "ENOENT") {
-        console.log(`'${this.filePath}' File Fot Found!`);
+        logger.info(`'${this.filePath}' File Fot Found!`);
       } else {
         throw err;
       }
@@ -54,8 +56,8 @@ class DataTransformationHandler {
           collection.find(query).toArray((err, rs) => {
             if (err) {
               this.isProcessing = false;
-              console.log(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
-              console.log(err);
+              logger.info(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
+              logger.info(err);
               dbc.close();
               this.cleanHandler();
               return;
@@ -68,8 +70,8 @@ class DataTransformationHandler {
               collection.insertOne(defaultData, (err, result) => {
                 if (err) {
                   this.isProcessing = false;
-                  console.log(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
-                  console.log(err);
+                  logger.info(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
+                  logger.info(err);
                   dbc.close();
                   this.cleanHandler();
                   return;
@@ -95,8 +97,8 @@ class DataTransformationHandler {
               collection.deleteOne(query, (err, result) => {
                 if (err) {
                   this.isProcessing = false;
-                  console.log(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
-                  console.log(err);
+                  logger.info(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
+                  logger.info(err);
                   dbc.close();
                   this.cleanHandler();
                   return;
@@ -104,14 +106,14 @@ class DataTransformationHandler {
                 collection.insertOne(config, (err, result) => {
                   if (err) {
                     this.isProcessing = false;
-                    console.log(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
-                    console.log(err);
+                    logger.info(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
+                    logger.info(err);
                     dbc.close();
                     this.cleanHandler();
                     return;
                   }
                   this.isProcessing = false;
-                  console.log(`||-- The Document At The 'configuration' Collection Has Been Upgraded To Version 1.0.0 --||`);
+                  logger.info(`||-- The Document At The 'configuration' Collection Has Been Upgraded To Version 1.0.0 --||`);
                   dbc.close();
                   this.cleanHandler();
                 });
@@ -119,8 +121,8 @@ class DataTransformationHandler {
             }
           });
         }).catch((err) => {
-          console.log(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
-          console.log(err.message);
+          logger.info(`||-- The 'Preset Labels' Document Upgrade Is Failed --||`);
+          logger.info(err.message);
           this.isProcessing = false;
           if (this.max == this.counter) {
             this.cleanHandler();
@@ -144,7 +146,7 @@ class DataTransformationHandler {
   }
 
   cleanHandler() {
-    console.log("||-- Done --||");
+    logger.info("||-- Done --||");
     this.counter = 0;
     this.max = 300;
     this.id = 1;
diff --git a/handlers/datasetHandler.js b/handlers/datasetHandler.js
index 726332e..f98d01d 100644
--- a/handlers/datasetHandler.js
+++ b/handlers/datasetHandler.js
@@ -10,6 +10,8 @@ const crypto = require("crypto");
 const AdmZip = require('adm-zip');
 const path = require('path');
 
+const {logger} = require('../service/logger/winston');
+
 let LABELS_PATH = null;
 let IMAGES_SPRITE_PATH = null;
 
@@ -32,7 +34,7 @@ class Data {
   async load() {
     let This = this;
     const imgRequest = new Promise((resolve) => {
-      // console.log(this.IMAGES_SPRITE_PATH);
+      // logger.info(this.IMAGES_SPRITE_PATH);
       inkjet.decode(fs.readFileSync(this.IMAGES_SPRITE_PATH), function(err, decoded) {
         const pixels = Float32Array.from(decoded.data).map((pixel) => {
           return pixel / 255;
@@ -126,7 +128,7 @@ class Data {
 function getDataset() {
   return function(req, res) {
     let data = JSON.parse(req.body);
-    // console.log(req.body.ar);
+    // logger.info(req.body.ar);
     let userFolder = crypto.randomBytes(20).toString('hex');
     if (!fs.existsSync('dataset')) {
       fs.mkdirSync('dataset/');
@@ -155,7 +157,7 @@ function deleteData() {
       if (err) {
         throw err;
       }
-      console.log(`Temp folder deleted!`);
+      logger.info(`Temp folder deleted!`);
     });
     res.json({status: 'Temp folder deleted!'});
   };
diff --git a/handlers/iipHandler.js b/handlers/iipHandler.js
index d7cacd5..d3a7c45 100644
--- a/handlers/iipHandler.js
+++ b/handlers/iipHandler.js
@@ -1,6 +1,7 @@
 var proxy = require('http-proxy-middleware');
 
 var IIP_PATH = process.env.IIP_PATH || 'http://ca-iip/';
+const {logger} = require('../service/logger/winston');
 
 iipHandler = function(req, res, next) {
   if (req.query) {
@@ -22,7 +23,7 @@ iipHandler = function(req, res, next) {
   proxy({
     secure: false,
     onError(err, req, res) {
-      console.log(err);
+      logger.error(err);
       err.statusCode = 500;
       next(err);
     },
diff --git a/handlers/modelTrainer.js b/handlers/modelTrainer.js
index 123b8a2..6bc1185 100644
--- a/handlers/modelTrainer.js
+++ b/handlers/modelTrainer.js
@@ -6,12 +6,13 @@ const tf = require('@tensorflow/tfjs-node');
 
 const Data = require('./datasetHandler.js');
 const AdmZip = require('adm-zip');
+const {logger} = require('../service/logger/winston');
 
 let Layers = [];
 let Params = {};
 
 function getModel(Layers, Params, res) {
-  // console.log(Params)
+  // logger.info(Params)
   let model;
   try {
     model = tf.sequential({
@@ -32,6 +33,7 @@ function getModel(Layers, Params, res) {
       });
     }
   } catch (error) {
+    logger.error(error);
     res.status(400).json({message: error.message});
     // res.send(error);
   }
@@ -66,7 +68,7 @@ async function train(model, data, Params) {
     validationData: [testXs, testYs],
     epochs: Number(Params.epochs),
     shuffle: Params.shuffle,
-    // callbacks: console.log(1),
+    // callbacks: logger.info(1),
   }).then(() => {
     tf.dispose([trainXs, trainYs, testXs, testYs, d2, d1]);
   });
@@ -89,7 +91,7 @@ async function run(Layers, Params, res, userFolder) {
     model.summary();
 
     trained = await train(model, data, Params);
-    console.log('TRAINING DONE');
+    logger.info('TRAINING DONE');
 
     await model.save('file://./dataset/' + userFolder + '/');
 
@@ -103,7 +105,7 @@ async function run(Layers, Params, res, userFolder) {
 
     res.json({status: 'done'});
   } catch (error) {
-    console.log(error);
+    logger.error(error);
     tf.dispose([model, trained, data.xs, data.labels]);
     tf.disposeVariables();
     res.status(400).json({message: error.message});
@@ -153,10 +155,10 @@ function makeLayers(layers, res, userFolder) {
         delete layers[i].layer;
         Layers.splice(Layers.length - 1, 0, tf.layers.globalMaxPooling2d(layers[i]));
       }
-      // console.log(layers[i]);
+      // logger.info(layers[i]);
     }
   } catch (error) {
-    console.log(error);
+    logger.error(error);
     res.status(400).json({message: error.message});
     return;
   }
diff --git a/handlers/proxyHandler.js b/handlers/proxyHandler.js
index 22a5afa..2ddcd03 100644
--- a/handlers/proxyHandler.js
+++ b/handlers/proxyHandler.js
@@ -1,4 +1,5 @@
 var proxy = require('http-proxy-middleware');
+const {logger} = require('../service/logger/winston');
 
 proxyHandler = function(target, n) {
   n = n || 2;
@@ -6,15 +7,15 @@ proxyHandler = function(target, n) {
     proxy({
       secure: false,
       onError(err, req, res) {
-        console.log(err);
+        logger.error(err);
         err.statusCode = 500;
         next(err);
       },
       changeOrigin: true,
       target: target,
       pathRewrite: function(path, req) {
-        console.log(target);
-        console.log(path);
+        logger.info(target);
+        logger.info(path);
         // NOTE -- this may need to change if the original url has more subdirs or so added
         var splitPath = path.split('/');
         return '/' + splitPath.slice(n, splitPath.length).join('/');
diff --git a/package-lock.json b/package-lock.json
index 96275b5..f8edb92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,8 @@
         "jsonwebtoken": "^8.5.1",
         "jwks-rsa": "^1.12.1",
         "mongodb": "^3.3.5",
-        "throng": "^4.0.0"
+        "throng": "^4.0.0",
+        "winston": "^3.3.3"
       },
       "devDependencies": {
         "chai": "^4.2.0",
@@ -56,6 +57,16 @@
         "js-tokens": "^4.0.0"
       }
     },
+    "node_modules/@dabh/diagnostics": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/@dabh/diagnostics/-/diagnostics-2.0.2.tgz",
+      "integrity": "sha512-+A1YivoVDNNVCdfozHSR8v/jyuuLTMXwjWuxPFlFlUapXoGc+Gj9mDlTDDfrwl7rXCl2tNZ0kE8sIBO6YOn96Q==",
+      "dependencies": {
+        "colorspace": "1.1.x",
+        "enabled": "2.0.x",
+        "kuler": "^2.0.0"
+      }
+    },
     "node_modules/@tensorflow/tfjs": {
       "version": "2.7.0",
       "resolved": "https://registry.npmjs.org/@tensorflow/tfjs/-/tfjs-2.7.0.tgz",
@@ -530,6 +541,11 @@
         "node": ">=4"
       }
     },
+    "node_modules/async": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
+      "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw=="
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -754,11 +770,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/color": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/color/-/color-3.0.0.tgz",
+      "integrity": "sha512-jCpd5+s0s0t7p3pHQKpnJ0TpQKKdleP71LWcA0aqiljpiuAkOSUFN/dyH8ZwF0hRmFlrIuRhufds1QyEP9EB+w==",
+      "dependencies": {
+        "color-convert": "^1.9.1",
+        "color-string": "^1.5.2"
+      }
+    },
     "node_modules/color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
       "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "dev": true,
       "dependencies": {
         "color-name": "1.1.3"
       }
@@ -766,8 +790,33 @@
     "node_modules/color-name": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-      "dev": true
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+    },
+    "node_modules/color-string": {
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.5.5.tgz",
+      "integrity": "sha512-jgIoum0OfQfq9Whcfc2z/VhCNcmQjWbey6qBX0vqt7YICflUmBCh9E9CiQD5GSJ+Uehixm3NUwHVhqUAWRivZg==",
+      "dependencies": {
+        "color-name": "^1.0.0",
+        "simple-swizzle": "^0.2.2"
+      }
+    },
+    "node_modules/colors": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.4.0.tgz",
+      "integrity": "sha512-a+UqTh4kgZg/SlGvfbzDHpgRu7AAQOmmqRHJnxhRZICKFUT91brVhNNt58CMWU9PsBbv3PDCZUHbVxuDiH2mtA==",
+      "engines": {
+        "node": ">=0.1.90"
+      }
+    },
+    "node_modules/colorspace": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/colorspace/-/colorspace-1.1.2.tgz",
+      "integrity": "sha512-vt+OoIP2d76xLhjwbBaucYlNSpPsrJWPlBTtwCpQKIu6/CSMutyzX93O/Do0qzpH3YoHEes8YEFXyZ797rEhzQ==",
+      "dependencies": {
+        "color": "3.0.x",
+        "text-hex": "1.0.x"
+      }
     },
     "node_modules/combined-stream": {
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       "integrity": "sha1-DdOXEhPHxW34gJd9UEyI+0cal6w="
     },
+    "logform": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/logform/-/logform-2.2.0.tgz",
+      "integrity": "sha512-N0qPlqfypFx7UHNn4B3lzS/b0uLqt2hmuoa+PpuXNYgozdJYAyauF5Ky0BWVjrxDlMWiT3qN4zPq3vVAfZy7Yg==",
+      "requires": {
+        "colors": "^1.2.1",
+        "fast-safe-stringify": "^2.0.4",
+        "fecha": "^4.2.0",
+        "ms": "^2.1.1",
+        "triple-beam": "^1.3.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+          "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+        }
+      }
+    },
     "lru-cache": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.0.2.tgz",
@@ -5657,6 +5938,14 @@
         "wrappy": "1"
       }
     },
+    "one-time": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/one-time/-/one-time-1.0.0.tgz",
+      "integrity": "sha512-5DXOiRKwuSEcQ/l0kGCF6Q3jcADFv5tSmRaJck/OqkVFcOzutB134KRSfF0xDrL39MNnqxbHBbUUcjZIhTgb2g==",
+      "requires": {
+        "fn.name": "1.x.x"
+      }
+    },
     "onetime": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.0.tgz",
@@ -6022,6 +6311,14 @@
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
       "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA=="
     },
+    "simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=",
+      "requires": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "slice-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
@@ -6055,6 +6352,11 @@
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
+    "stack-trace": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
+      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
+    },
     "statuses": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
@@ -6213,6 +6515,11 @@
         }
       }
     },
+    "text-hex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
+      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -6255,6 +6562,11 @@
       "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.0.tgz",
       "integrity": "sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw=="
     },
+    "triple-beam": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",
+      "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw=="
+    },
     "tslib": {
       "version": "1.11.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
@@ -6377,6 +6689,43 @@
         }
       }
     },
+    "winston": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/winston/-/winston-3.3.3.tgz",
+      "integrity": "sha512-oEXTISQnC8VlSAKf1KYSSd7J6IWuRPQqDdo8eoRNaYKLvwSb5+79Z3Yi1lrl6KDpU6/VWaxpakDAtb1oQ4n9aw==",
+      "requires": {
+        "@dabh/diagnostics": "^2.0.2",
+        "async": "^3.1.0",
+        "is-stream": "^2.0.0",
+        "logform": "^2.2.0",
+        "one-time": "^1.0.0",
+        "readable-stream": "^3.4.0",
+        "stack-trace": "0.0.x",
+        "triple-beam": "^1.3.0",
+        "winston-transport": "^4.4.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
+    "winston-transport": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.4.0.tgz",
+      "integrity": "sha512-Lc7/p3GtqtqPBYYtS6KCN3c77/2QCev51DvcJKbkFPQNoj1sinkGwLGFDxkXY9J6p9+EPnYs+D90uwbnaiURTw==",
+      "requires": {
+        "readable-stream": "^2.3.7",
+        "triple-beam": "^1.2.0"
+      }
+    },
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
diff --git a/package.json b/package.json
index efd2969..275d6e1 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,8 @@
     "jsonwebtoken": "^8.5.1",
     "jwks-rsa": "^1.12.1",
     "mongodb": "^3.3.5",
-    "throng": "^4.0.0"
+    "throng": "^4.0.0",
+    "winston": "^3.3.3"
   },
   "devDependencies": {
     "chai": "^4.2.0",
diff --git a/service/logger/winston.js b/service/logger/winston.js
new file mode 100644
index 0000000..347aff5
--- /dev/null
+++ b/service/logger/winston.js
@@ -0,0 +1,49 @@
+const winston = require("winston");
+
+const logger = winston.createLogger({
+  level: "info",
+  format: winston.format.combine(
+      winston.format.simple(),
+      winston.format.colorize(),
+      winston.format.prettyPrint(),
+      winston.format.errors({stack: true}),
+  ),
+
+  transports: [
+    new winston.transports.File({
+      filename: "error.log",
+      level: "error",
+      format: winston.format.combine(
+          winston.format.timestamp({
+            format: "YYYY-MM-DD HH:mm:ss",
+          }),
+          winston.format.simple(),
+          winston.format.json(),
+          winston.format.prettyPrint(),
+          winston.format.errors({stack: true}),
+      ),
+    }),
+    new winston.transports.File({
+      filename: "combined.log",
+      format: winston.format.combine(
+          winston.format.timestamp({
+            format: "YYYY-MM-DD HH:mm:ss",
+          }),
+          winston.format.simple(),
+          winston.format.json(),
+          winston.format.prettyPrint(),
+          winston.format.errors({stack: true}),
+      ),
+    }),
+  ],
+});
+
+if (process.env.node_env !== "production") {
+  logger.add(
+      new winston.transports.Console({
+        format: winston.format.simple(),
+      }),
+  );
+}
+
+module.exports = {logger};
\ No newline at end of file