To create a new secret, run eas secret:create: If you haven't published your project yet and it isn't visible on the website, you can create it on the website from this link. To create app-specific secrets, navigate to the "Secrets" tab in your project dashboard. To create account-wide secrets, navigate to the "Secrets" tab in your account or organization settings. You can manage secrets through the Expo website and EAS CLI.Īlways remember that anything that is included in your client side code should be considered public and readable to any individual that can run the application.ĮAS Secrets are intended to be used to provide values to an EAS Build job so that they may be used during the build process.Įxamples of correct usage include setting the NPM_TOKEN for installing private packages from npm, or a Sentry API key to create a release and upload your sourcemaps to their service.ĮAS Secrets do not provide any additional security for values that you end up embedding in your application itself, such as an AWS access key or other private keys. App-specific secrets only apply to the app they're defined for and will override any account-wide secrets with the same name. Account-wide secrets will be exposed to every build environment across all of your apps. You can create up to 100 account-wide secrets for each Expo account and 100 app-specific secrets for each app. The secret values are encrypted at rest and in transit and are only decrypted in a secure environment by EAS servers. For example, if you created a file secret named SECRET_FILE, EAS Build will create a file at /Users/expo/workingdir/environment-secrets/_UNIQUE_RANDOM_UUID_, and SECRET_FILE will be set to that path. The file path is available via the environment variable. For a file, its contents are saved to a temporary file on EAS Build servers. The value can be either a file or a string value. The name can only contain alphanumeric characters and underscores. To provide your build jobs with access to values that are too sensitive to include in your source code and Git repository, you can use "Secrets".Ī secret is made up of a name and a value. EAS_BUILD_WORKINGDIR - the remote directory path with your project.EAS_BUILD_USERNAME - the username of the user initiating the build (it's undefined for bot users).EAS_BUILD_COCOAPODS_CACHE_URL - the URL of CocoaPods cache ( learn more).EAS_BUILD_MAVEN_CACHE_URL - the URL of Maven cache ( learn more).EAS_BUILD_NPM_CACHE_URL - the URL of npm cache ( learn more).EAS_BUILD_GIT_COMMIT_HASH - the hash of the Git commit, for example, 88f28ab5ea39108ade978de2d0d1adeedf0ece76.EAS_BUILD_PROFILE - the name of the build profile from eas.json, for example, production.EAS_BUILD_RUNNER - either eas-build for EAS Build cloud builds or local-build-plugin for local builds.EAS_BUILD_PLATFORM - either android or ios.EAS_BUILD=true - indicates this is an EAS Build environment.CI=1 - indicates this is a CI environment.They are not set when evaluating locally: The following environment variables are exposed to each build job and can be used within any build step. Set-env EXAMPLE_ENV "example value" Built-in environment variables For instance, you might set an API URL variable to a local backend server when developing locally, a test server for testing, and a production server for production builds. env file for local development as described in the environment variables guide, you can set those same variables in a build profile in eas.json. Setting plaintext environment variables in eas.json For use in application code Therefore, EAS Build lets you set per-build-profile environment variables within eas.json as well as sensitive values that should not be committed to source control via EAS Secrets. Additionally, you may want to use environment variables outside of your JavaScript code to customize your app binary at build time, such as setting a bundle identifier or a private key for an error reporting service. gitignore or not committed to your local version control system. env files are excluded from your uploaded project if they are listed in. env files present on your development machine.īecause your EAS Build job runs on a remote server, these. The Expo CLI will substitute properly prefixed variables in your code (for example, _PUBLIC_VARNAME) with the corresponding environment variable values in. env files to set environment variables that can be inlined in your JavaScript code. The Environment variables in Expo guide describes how to use. Learn how to use environment variables and secrets in an EAS Build. Environment variables and secrets in EAS Build
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