$ npm install conf-env-demo
$ cd ./node_modules/conf-env-demo
Then
Test development
$ export NODE_ENV=development && node app.js
Test production
$ export NODE_ENV=production && node app.js
Test staging
$ export NODE_ENV=staging && node app.js
Output
package name is : conf-env-demo
current config env is : development
current-> development.js
local -> read from local config
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