.env.development _verified_ -

CRA popularized the pattern of .env.development . It automatically loads:

| Framework/Tool | Load order (higher priority last) | |----------------|-----------------------------------| | Create React App | .env → .env.development → .env.local → .env.development.local | | Vue CLI | same as CRA | | Next.js | .env → .env.development → .env.local → .env.development.local | | Node.js + dotenv | manually configured (recommended: dotenv.config( path: '.env.development' ) ) | .env.development

const path = require('path'); require('dotenv').config( path: path.join(__dirname, `.env.$process.env.NODE_ENV`) ); CRA popularized the pattern of