buildspec.yml

version: 0.2
phases:
  install:
    runtime-versions:
       nodejs: 16
    commands:
      - npm install
      - npm install -g yarn
      # install dependencies
  pre_build:
    commands:
      #installs dependencies into the node_modules/ directory
      - echo Entered the pre_build phase...
      - yarn install
  build:
    commands:
      # run build script
      - yarn build

artifacts:
  # include all files required to run application
  # we include only the static build files
  files:
    - '**/*'
  base-directory: 'build'