Adds the four variables the PocketBase integration will use:
- NEXT_PUBLIC_POCKETBASE_URL — client-safe PB URL (no
NEXT_PUBLIC_ on the auth values!)
- POCKETBASE_ADMIN_EMAIL — server-only admin login
- POCKETBASE_ADMIN_PASSWORD — server-only admin password
- POCKETBASE_ADMIN_TOKEN — optional pre-issued token
The real .env.local stays out of git (.env.local is gitignored);
developers copy this file to .env.local and fill in their credentials.
