.env.local _hot_ [ 100% EXCLUSIVE ]

: Notice that some variables are prefixed with REACT_APP_ or NEXT_PUBLIC_ . This is often required in certain frameworks:

# Third-Party API Keys SENDGRID_API_KEY=SG.xxxxxxxx GOOGLE_MAPS_KEY=AIzayyyyy .env.local

Don't use .env.local for non-sensitive configuration that should be shared across the team (like a theme color or a public API endpoint). Put those in the standard .env . : Notice that some variables are prefixed with

Developers copy this file to .env.local and fill in their actual values. .env.local

Never commit .env.local , but always commit an .env.example file. This acts as documentation for your team.