buildspec.yml

version: 0.1
phases:
  install:
    commands:
      # Install nodejs https://nodejs.org/en/download/package-manager/
      - curl -sL https://deb.nodesource.com/setup_7.x | bash -
      - apt-get install -y nodejs
      # Install yarn natively https://yarnpkg.com/en/docs/install#linux-tab
      - curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
      - echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
      - apt-get update
      - apt-get install -y yarn
  pre_build:
    commands:
      - yarn install --production
  build:
    commands:
      - yarn run build
  post_build:
    commands:
      - aws s3 sync --delete --exclude assets/* build/ "s3://${BUCKET_NAME}"
      - aws s3 sync --delete --cache-control "max-age=31536000" build/assets "s3://${BUCKET_NAME}/assets"