host N yarnLock

src/config/constants.js

@@ -1 +1,2 @@
 export const PORT = 4400;
+export const HOST = '0.0.0.0';

src/index.js

@@ -9,7 +9,7 @@ import helmet from "helmet";
 import compression from "compression";
 import fileUpload from "express-fileupload";
 import routes from "./routes/index";
-import {PORT} from "./config/constants";
+import {PORT,HOST} from "./config/constants";
 
 var app = express();
 
@@ -84,8 +84,8 @@ app.use(function (err, req, res) {
   });
 });
 
-app.listen(process.env.PORT || PORT, () =>
-  console.log(`App listening on  http://localhost:${process.env.PORT || PORT}`)
+app.listen(process.env.PORT || PORT,process.env.HOST || HOST, () =>
+  console.log(`App listening on  http://${process.env.HOST || HOST}:${process.env.PORT || PORT}`)
 );
 
 export default app;