"NODE_ENV" is not recognized as an internal or external command, operable command or batch file

windows node.js

I wrote a module for this: win-node-env.

It creates a NODE_ENV.cmd that sets the NODE_ENV environment variable and spawns a child process with the rest of the command and its args.

Just install it (globally), and run your npm script commands, it should automatically make them work.

npm install -g win-node-env

windows node.js

It sounds like your error comes from an attempt to run something like this (which works in Linux)

NODE_ENV=development node foo.js

the equivalent in Windows would be

SET NODE_ENV=developmentnode foo.js

running in the same command shell. You mentioned set NODE_ENV did not work, but wasn't clear how/when you executed it.

windows node.js

for windows use & in between command also. Like,

  "scripts": {    "start": "SET NODE_ENV=development & nodemon app/app.js",  }

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