: If using Vite or Create React App, ensure variables meant for the browser are prefixed with REACT_APP_ , respectively. Fallback Sync : Check if .env.example
Your backend database runs on port 5432 on the main server, but on your specific laptop, you changed it to 5433 due to a conflict. .env.development.local
In your code, you can then use the environment variables as usual. When you run your application in your local development environment, it will use the values from .env.development.local , while other environments will use the values from the main .env file. : If using Vite or Create React App,
When you initialize a project, you should ensure your .gitignore file includes the following lines: but on your specific laptop