buildspec.yml - build 실패 시, post_build 중단하기

  post_build:
    commands:
      - '[ ${CODEBUILD_BUILD_SUCCEEDING:-0} -eq 1 ] || exit 1'
      - echo "Build succeeded..."

출처 : https://www.learnaws.org/2022/11/22/aws-codebuild-build-failure/