created(logger) I've added winston as logger

startup/logging.js

@@ -0,0 +1,43 @@
+const winston = require("winston");
+const { format } = require("winston");
+const { combine } = format;
+require("winston-mongodb");
+
+const logger = winston.createLogger({
+  level: "info",
+  format: combine(winston.format.json(), format.metadata()),
+  defaultMeta: { service: "user-service" },
+  transports: [
+    new winston.transports.Console({
+      level: "error",
+      format: winston.format.combine(
+        winston.format.colorize(),
+        winston.format.simple()
+      ),
+    }),
+    new winston.transports.File({
+      filename: "./errors/error.log",
+      level: "error",
+    }),
+    new winston.transports.File({ filename: "./errors/combined.log" }),
+    new winston.transports.MongoDB({
+      db: "mongodb://localhost:27017/errorsRememberMe",
+      options: { useUnifiedTopology: true },
+    }),
+  ],
+  exceptionHandlers: [
+    new winston.transports.File({ filename: "./errors/exceptions.log" }),
+    new winston.transports.MongoDB({
+      db: "mongodb://localhost:27017/errorsRememberMe",
+      options: { useUnifiedTopology: true },
+    }),
+  ],
+  rejectionHandlers: [
+    new winston.transports.MongoDB({
+      db: "mongodb://localhost:27017/errorsRememberMe",
+      options: { useUnifiedTopology: true },
+    }),
+  ],
+});
+
+exports.logger = logger;