How to change value of process env PORT in node js

Question

I d like to change the value of process env PORT  how can I do this   I m running Ubuntu 12 04

User · Accepted Answer

For just one run  from the unix shell prompt      PORT 1234 node app js   More permanently     export PORT 1234   node app js   In Windows   set PORT 1234   In Windows PowerShell    env PORT   1234

User · Answer

use the below command to set the port number in node process while running node JS programme   set PORT  3000  amp  amp  node file name js   The set port can be accessed in the code as   process env PORT

User · Answer

EDIT  Per  sshow s comment  if you re trying to run your node app on port 80  the below is not the best way to do it  Here s a better answer  How do I run Node js on port 80   Original Answer   If you want to do this to run on port 80  or want to set the env variable more permanently     Open up your bash profile vim    bash profile Add the environment variable to the file export PORT 80 Open up the sudoers config file sudo visudo Add the following line to the file exactly as so Defaults        env keep    PORT    Now when you run sudo node app js it should work as desired

User · Answer

You can use cross platform solution https   www npmjs com package cross-env    cross-env PORT 1234

[node.js] How to change value of process.env.PORT in node.js?

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