Do you need help setting up your to handle these variables?
: This file usually overrides .env.production and .env when the environment is set to "production" locally. js or Vite? Frontend Configuration & Development - Bookmark Deeploy
The file follows standard KEY=VALUE syntax. Depending on your framework, public variables meant for the browser require specific prefixes, while private variables do not. Here is an example configuration for a Next.js application:
It is only loaded when the environment mode is explicitly set to production (e.g., during a npm run build or next build process). Global Environment Variables from Root or via a "Package" .env.local.production
# .env.local.production (NOT Committed to Git) DATABASE_URL=postgresql://admin_secure_pass@://live-cluster.com Use code with caution. When you execute the build command:
If you deploy to Vercel, Netlify, Cloudflare Pages, or Render, use .env.local.production to upload secrets to your live site. Instead, input your environment variables directly into the platform's web dashboard settings. These platforms securely inject variables at build time, eliminating the need to manage physical .env files on a server. Summary Cheat Sheet Intended Environment Committed to Git? .env All environments Yes Baseline defaults for the project. .env.development Development mode only Yes Shared dev configurations (e.g., dev API endpoints). .env.production Production mode only Yes Shared non-secret production configs. .env.local All environments 🚫 No Your personal overrides for everyday coding. .env.local.production Production mode only 🚫 No
Add a script that fails the build if .env.local.production exists in the workspace during CI. This prevents accidental inclusion from local dev. Do you need help setting up your to handle these variables
When your application builds for production ( npm run build ), the build tool scans these files in order. If a variable like API_URL is defined in both .env.production and .env.local.production , the value in .env.local.production takes precedence. When to Use .env.local.production
If you use Docker, mount a separate .env file:
He had never seen a file with that name before. Not in any tutorial, not in any of the sixteen microservices he maintained. His hand trembled over the keyboard as he cat the file. Frontend Configuration & Development - Bookmark Deeploy The
Therefore, a file name like .env.local.production suggests conflicting intentions:
(Lowest priority: Default settings shared across the team)