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Amplify has re-imagined the way frontend developers build fullstack applications. Develop and deploy without the hassle.

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Page updated Aug 2, 2024

Fullstack branch deployments

Amplify code-first DX (Gen 2) offers fullstack branch deployments that allow you to automatically deploy infrastructure and application code changes from feature branches. This enables testing changes in an isolated environment before merging to the main branch.

Set up feature branch deployments

After you've deployed your first branch, you can manually connect more, but the recommended workflow is to use the branch auto-detection feature.

  1. Log in to the Amplify console and choose your app.

  2. Navigate to App settings > Branch settings, select Edit and enable Branch auto-detection and Branch auto-disconnection. The following video uses the default settings, which will connect any branch in your repo automatically. Branch auto-disconnection will ensure that if you delete a branch from your repository, the branch will also be deleted.

You can also define a pattern to connect only certain branches. For example, setting dev, staging, and feature/* will automatically connect all three branch types. Your dev and staging branches, as well as any branch that begins with feature/, will be connected.

  1. Push a commit to your feature/A and staging branches that match the pattern. You should start seeing deployments on the console page. You will now have three fullstack branches deployed.

Production, feature/A, and staging branches listed on app overview page in Amplify console.

Promote changes to production

In Gen 2, promoting changes to production follows the normal Git-based workflow.

Workflow for merging changes from feature/A branch to main, or production, branch.

  1. Make a change in your feature/A branch.
Terminal
git checkout -b feature/A
## make some edits to your code
git commit --am "New data model to track comments for todos added"
git push origin feature/A
  1. Submit a pull request to your main branch. Once your team has validated the changes, merge the pull request to main. This will initiate a build on your main branch and update any frontend or backend resources that you changed.

Generate client config

You can generate the config for a branch environment by running:

For Web and React Native, generating the config with the default format and output directory.

Terminal
npx ampx generate outputs --app-id <your-amplify-app-id> --branch <your-git-branch-name> --out-dir <path/to/config>