diff --git a/microservices/auth/src/app.ts b/microservices/auth/src/app.ts
index 0cfc19e9064b697069d545d48fda044c419861ab..9d5972d9dba0c0b82a5d5ed29ed564a74589e5a3 100644
--- a/microservices/auth/src/app.ts
+++ b/microservices/auth/src/app.ts
@@ -1,4 +1,4 @@
-import Server from './express/Server';
+import Server from './express/Server.js';
 
 
 new Server().run();
\ No newline at end of file
diff --git a/microservices/auth/src/express/Server.ts b/microservices/auth/src/express/Server.ts
index d59d2a2bf154ca81f3daaa9754f99be6b9ed3ebe..252d947a7c05875433ccbf3e22c06e154f3a8365 100644
--- a/microservices/auth/src/express/Server.ts
+++ b/microservices/auth/src/express/Server.ts
@@ -1,14 +1,14 @@
 import { Express }      from 'express-serve-static-core';
 import cors             from 'cors';
-import morganMiddleware from '../logging/MorganMiddleware';
-import logger           from '../logging/WinstonLogger';
+import morganMiddleware from '../logging/MorganMiddleware.js';
+import logger           from '../logging/WinstonLogger.js';
 import { AddressInfo }  from 'net';
 import http             from 'http';
 import helmet           from 'helmet';
 import express          from 'express';
 import multer           from 'multer';
-import Config           from '../config/Config';
-import questions_routes from '../routes/Auth';
+import Config           from '../config/Config.js';
+import questions_routes from '../routes/Auth.js';
 
 import db               from '../helpers/DatabaseHelper.js';
 import bodyParser from 'body-parser';
diff --git a/microservices/auth/src/logging/MorganMiddleware.ts b/microservices/auth/src/logging/MorganMiddleware.ts
index 9030416de6eee704e4b54dd50e8f8286674e896f..eb3626734112b6bfbeb362c5b4b0c129b6f98d7f 100644
--- a/microservices/auth/src/logging/MorganMiddleware.ts
+++ b/microservices/auth/src/logging/MorganMiddleware.ts
@@ -1,6 +1,6 @@
 import morgan, { StreamOptions } from 'morgan';
 
-import logger from './WinstonLogger';
+import logger from './WinstonLogger.js';
 
 
 const stream: StreamOptions = {
diff --git a/microservices/auth/src/logging/WinstonLogger.ts b/microservices/auth/src/logging/WinstonLogger.ts
index 6f6a2b1a8880e01d5de0fa8828efb144ecbb57fb..f35be89892f472146484e8a89d66cf5ccada14a2 100644
--- a/microservices/auth/src/logging/WinstonLogger.ts
+++ b/microservices/auth/src/logging/WinstonLogger.ts
@@ -1,6 +1,6 @@
 import winston        from 'winston';
 import * as Transport from 'winston-transport';
-import Config         from '../config/Config';
+import Config         from '../config/Config.js';
 
 
 const levels = {