How to set NODE ENV to production development in OS X

Question

For use in express js environments  Any suggestions

User · Answer

If you using webpack in your application  you can simply set it there  using DefinePlugin     So in your plugin section  set the NODE ENV to production   plugins      new webpack DefinePlugin        process env NODE ENV     production

User · Answer

npm start --mode production npm start --mode development  With process env NODE ENV    production

User · Answer

export NODE ENV production is bad solution  it disappears after restart    if you want not to worry about that variable anymore - add it to this file    etc environment   don t use export syntax  just write  in new line if some content is already there    NODE ENV production   it works after restart  You will not have to re-enter export NODE ENV production command anymore anywhere and just use node with anything you d like - forever  pm2     For heroku   heroku config set NODE ENV  production    which is actually default

User · Answer

It might be a chance that you have made two instances of sequelize object  for example    var con1 new Sequelize     var con2 new Sequelize     than also same error will occur

User · Answer

If you are on windows  Open your cmd at right folder then first  set node env  your env name here    hit enter then you can start your node with  node app js   it will start with your env setting

User · Answer

In order to have multiple environments you need all of the answers before  NODE ENV parameter and export it   but I use a very simple approach without the need of installing anything  In your package json just put a script for each env you need  like this        scripts          start-dev    export NODE ENV dev  amp  amp  ts-node-dev --respawn --transpileOnly   src app ts        start-prod    export NODE ENV prod  amp  amp  ts-node-dev --respawn --transpileOnly   src app ts             Then  to start the app instead of using npm start use npm run script-prod    In the code you can access the current environment with process env NODE ENV   Voila

User · Answer

Before running your app  you can do this in console  export NODE ENV production  Or if you are in windows you could try this  SET NODE ENV production  for PowerShell   env NODE ENV  quot production quot   or you can run your app like this  NODE ENV production node app js  You can also set it in your js file  process env NODE ENV    production    But I don t suggest to do it in your runtime file  since it s not easy to open up VIM in your server and change it to production  You can make a config json file in your directory and everytime your app runs  it reads from it and sets the configuration

User · Answer

No one mentioned  env in here yet  Make a  env file in your app root  then require  dotenv   config   and read the values  Easily changed  easily read  cross platform   https   www npmjs com package dotenv

User · Answer

Windows CMD     -  set NODE ENV production  Windows Powershell -   env NODE ENV  production   MAC -  export NODE ENV production

User · Answer

heroku config set NODE ENV  production

User · Answer

For Windows Powershell use this command   env NODE ENV  production    node app js

User · Answer

Daniel has a fantastic answer which is the better approach for the correct deployment  set and forget  process   For those using express   You can use grunt-express-server which is fantastic as well  https   www npmjs org package grunt-express-server

User · Answer

On OSX I d recommend adding export NODE ENV development to your    bash profile and or    bashrc and or    profile   Personally I add that entry to my    bashrc and then have the    bash profile    profile import the contents of that file  so it s consistent across environments   After making these additions  be sure to restart your terminal to pick up settings

User · Answer

To not have to worry whether you are running your scripts on Windows  Mac or Linux install the cross-env package  Then you can use your scripts easily  like so    scripts          start-dev    cross-env NODE ENV development nodemon --exec babel-node -- src index js        start-prod    cross-env NODE ENV production nodemon --exec babel-node -- src index js      Massive props to the developers of this package   npm install --save-dev cross-env

User · Answer

in package json              scripts          start    NODE ENV production node   app                then run in terminal   npm start

[javascript] How to set NODE_ENV to production/development in OS X

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