Source: https://docs.expo.dev/eas/workflows/get-started

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Get started with EAS Workflows

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Learn how to use EAS Workflows to automate your React Native CI/CD development and release processes.

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EAS Workflows allow you to automate your development and release processes. It's a React Native CI/CD service that can build and submit your biweekly app store releases, create preview updates for every commit, and more.

Watch: Get Started with EAS Workflows

Learn how to automate some of the most common processes that every app development team must tackle: creating development builds, publishing preview updates, and deploying to production.

How do workflows compare to other CI services?

EAS Workflows are designed to help you and your team release your app. It comes preconfigured with pre-packaged job types that can build, submit, update, run Maestro tests, and more. All job types run on EAS, so you'll only have to manage one set of YAML files, and all the artifacts from your job runs will appear on expo.dev .

Other CI services, like CircleCI and GitHub Actions, are more generalized and have the ability to do more than workflows. However, those services also require you to understand more about the implementation of each job. While that is necessary in some cases, workflows help you get common tasks done quickly by pre-packaging the most essential types of jobs for app developers. In addition, workflows are designed to provide you with the fastest possible cloud machine for the task at hand, and we're constantly updating those for you.

EAS Workflows are great for operations related to your Expo apps, while other CI/CD services will provide a better experience for other types of workflows.

Considering Workflows? Share the following slide in your next team meeting

Share the following slide in your next team meeting to discuss what EAS Workflows are and how they can help your team:

EAS Workflows CI/CD sync slide

Learn the benefits of using EAS Workflows to automate your CI/CD processes.

Get started

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Prerequisites

4 requirements

Sign up for an Expo account

You'll need to sign up for an Expo account.

Create a project

You'll need to create a project with the following command:

Terminal

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- npx create-expo-app@latest

Sync the project with EAS

You'll need to sync the project with EAS with the following command. This will create an EAS project and link it to your local project:

Terminal

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- npx eas-cli@latest init

Add eas.json

You'll need to add an eas.json file to the root of your project if it doesn't already exist:

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- touch eas.json && echo "{}" > eas.json

1

Create a directory named .eas/workflows at the root of your project with a YAML file inside of it. For example: .eas/workflows/create-production-builds.yml.

my-app

 .eas

  workflows

   create-production-builds.yml

 eas.json

2

Add the following YAML to the create-production-builds.yml file:

.eas/workflows/create-production-builds.yml

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name: Create Production Builds jobs: build_android: type: build # This job type creates a production build for Android params: platform: android build_ios: type: build # This job type creates a production build for iOS params: platform: ios

The workflow above will create a production build for Android and iOS in parallel. To run this workflow successfully, you'll need to set up and build your project using EAS CLI first.

3

Finally, run the workflow with the following command:

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- npx eas-cli@latest workflow:run create-production-builds.yml

Once you do, you can see your workflow running on your project's workflows page .

More

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Automate workflows with GitHub events

You can trigger a workflow by pushing a commit to your GitHub repository. You can link a GitHub repo to your EAS project with the following steps:

• Navigate to your project's GitHub settings .
• Follow the UI to install the GitHub app.
• Select the GitHub repository that matches the Expo project and connect it.

Then, add the on trigger to your workflow file. For example, if you want to trigger the workflow when a commit is pushed to the main branch, you can add the following:

.eas/workflows/create-production-builds.yml

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name: Create Production Builds on: push: branches: ['main'] jobs: build_android: type: build params: platform: android build_ios: type: build

VS Code extension

Download the Expo Tools VS Code extension to get descriptions and autocompletions for your workflow files.

Got feedback or feature requests? Send us an email at workflows@expo.dev .