amplify.yml

---
version: 1
# Uses a monorepo build specification
# Follows: https://docs.aws.amazon.com/amplify/latest/userguide/monorepo-configuration.html
applications:
  - frontend:
      # The path to use to run the build. 
      # Amplify uses this path to locate build artifacts. Defaults to the monorepo app root, for example apps/app.
      buildPath: site
      phases:
        preBuild:
          commands:
            # https://docs.npmjs.com/cli/v10/commands/npm-ci?v=true
            - npm ci
        build:
          commands:
            - make build

      artifacts:
        # baseDirectory attribute is the relative path of buildpath
        # per: https://docs.aws.amazon.com/amplify/latest/userguide/monorepo-configuration.html#monorepo-yml-syntax
        baseDirectory: .next
        files:
          - '**/*'
    # The root, within the repository, that the application starts in. 
    # This key must exist, and have the same value as the AMPLIFY_MONOREPO_APP_ROOT environment variable
    # Amplify will throw: `CustomerError: Invalid monorepo spec, no matching appRoot found in build spec`
    # if this does not match the environment variable
    appRoot: site