Environment Variables in Expo (2026): .env, app.config.js, and EAS Secrets
Learn how environment variables work in Expo across .env files, app.config.js, and EAS Secrets, with a variant pattern and CI-safe defaults.
app.config.js Articles
Learn how environment variables work in Expo across .env files, app.config.js, and EAS Secrets, with a variant pattern and CI-safe defaults.