Uploaded January 2026 | Updated September 2026, 3 weeks ago
Master React Native alongside me https://cwb.sh/rn
Learn the right way to handle environment variables in React Native and Expo. Understand what should be public, why you should never store secrets in your mobile app, and how to use server-side code for sensitive operations.
- Pro membership with production codebases: https://cwb.sh
- Newsletter: https://cwb.sh/newsletter?r=yt
- Join the Discord community: https://cwb.sh/discord
- Aqua Voice (free month): https://cwb.sh/aqua
- Warp Terminal: https://cwb.sh/warp
- Raycast: https://cwb.sh/raycast
For other ways to support my work, please consider:
- GitHub Sponsors: github.com/sponsors/betomoedano
- Become a Code with Beto channel member: youtube.com/channel/UCh247h68vszOMA_OWpGEa5g/join
⌚️ Timestamps ⌚️
00:00 Intro
00:19 Understanding Client-Side Apps
00:48 Never Put Secrets in Mobile Apps
01:07 Public Keys Are Different
01:31 EXPO_PUBLIC Prefix Explained
01:51 Use Server-Side Code for Secrets
02:21 Final Rule & Recap
⭐️ If you want to learn more about me, check this links:
Code With Beto → https://codewithbeto.dev
🦋 → https://bsky.app/profile/codewithbeto.dev
X → https://x.com/betomoedano
Github → github.com/betomoedano
Linkedin → linkedin.com/in/betomoedano
Discord → discord.com/invite/dbYfWFw862
Medium → medium.com/@betomoedano01
Figma → figma.com/@codewithbeto
#ReactNative #Expo #mobileappdevelopment
Master React Native alongside me https://cwb.sh/rn
Learn the right way to handle environment variables in React Native and Expo. Understand what should be public, why you should never store secrets in your mobile app, and how to use server-side code for sensitive operations.
- Pro membership with production codebases: https://cwb.sh
- Newsletter: https://cwb.sh/newsletter?r=yt
- Join the Discord community: https://cwb.sh/discord
- Aqua Voice (free month): https://cwb.sh/aqua
- Warp Terminal: https://cwb.sh/warp
- Raycast: https://cwb.sh/raycast
For other ways to support my work, please consider:
- GitHub Sponsors: github.com/sponsors/betomoedano
- Become a Code with Beto channel member: youtube.com/channel/UCh247h68vszOMA_OWpGEa5g/join
⌚️ Timestamps ⌚️
00:00 Intro
00:19 Understanding Client-Side Apps
00:48 Never Put Secrets in Mobile Apps
01:07 Public Keys Are Different
01:31 EXPO_PUBLIC Prefix Explained
01:51 Use Server-Side Code for Secrets
02:21 Final Rule & Recap
⭐️ If you want to learn more about me, check this links:
Code With Beto → https://codewithbeto.dev
🦋 → https://bsky.app/profile/codewithbeto.dev
X → https://x.com/betomoedano
Github → github.com/betomoedano
Linkedin → linkedin.com/in/betomoedano
Discord → discord.com/invite/dbYfWFw862
Medium → medium.com/@betomoedano01
Figma → figma.com/@codewithbeto
#ReactNative #Expo #mobileappdevelopment










