expo-config-setup

Configure React Native Expo projects with app.json, app.config.js, and EAS Build.

19|5|Updated Nov 23, 2025
One-click install
npx skills add https://github.com/Nir-Bhay/markups --skill expo-config-setup
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: expo-config-setup
Source: https://github.com/Nir-Bhay/markups/tree/main/.agents/skills/expo-config-setup
Command: npx skills add https://github.com/Nir-Bhay/markups --skill expo-config-setup

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill simplifies the complex process of configuring React Native Expo projects, ensuring correct setup for app.json, app.config.js, and EAS Build, leading to smoother development and deployment.

Core Features & Use Cases

  • Dynamic Configuration: Guides users on using app.config.js with environment variables for different build variants (dev, preview, prod).
  • Platform-Specific Settings: Demonstrates how to configure unique settings for iOS and Android.
  • EAS Build & Submit: Provides examples for eas.json to manage build profiles and submission details.
  • Plugin Management: Shows how to integrate and configure various Expo plugins (camera, location, notifications, etc.).
  • Asset & Icon Setup: Details the correct structure and dimensions for app icons and splash screens.
  • Deep Linking: Configures schemes and associated domains for seamless navigation.
  • OTA Updates: Sets up Over-the-Air update mechanisms.
  • Notifications: Configures push notification settings.
  • Security Best Practices: Highlights secure configuration patterns and common pitfalls.

Quick Start

Use the expo-config-setup skill to create a basic app.config.js file for a React Native Expo project that includes settings for development and production environments.

Frequently Asked Questions about expo-config-setup

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I configure environment variables for different Expo build variants?

Configure dynamic environment variables for Expo build variants by using `app.config.js` to programmatically define dev, preview, and production settings instead of statically hardcoding them in `app.json`.

What is the best way to set up EAS Build profiles for a React Native Expo project?

Set up EAS Build profiles by defining distinct configurations within the `eas.json` file to manage submission details and environment-specific settings for your iOS and Android builds.

How do I integrate Expo plugins for camera and location permissions?

Integrate Expo plugins for camera and location by adding them to the plugins array in your configuration file, allowing you to manage necessary permissions and native capabilities without writing native code.

Can I configure platform-specific settings for iOS and Android in app.json?

Yes, you can configure platform-specific settings for iOS and Android within `app.json` or `app.config.js` to define unique properties like icons, splash screens, and bundle identifiers for each platform.

How do I set up deep linking and OTA updates in an Expo app?

To set up deep linking and OTA updates in an Expo app, configure URL schemes and associated domains in your app configuration, and enable Over-the-Air update mechanisms to push JavaScript updates instantly.

What are common security pitfalls when configuring a React Native Expo project?

Common security pitfalls when configuring a React Native Expo project include exposing sensitive environment variables in your build configuration. Following secure configuration patterns ensures secrets are properly managed during EAS Build.