| 123456789101112131415161718 | FROM composer:latest as setupRUN mkdir /guzzleWORKDIR /guzzleRUN set -xe \    && composer init --name=guzzlehttp/test --description="Simple project for testing Guzzle scripts" --author="Márk Sági-Kazár <mark.sagikazar@gmail.com>" --no-interaction \    && composer require guzzlehttp/guzzleFROM php:7.3RUN mkdir /guzzleWORKDIR /guzzleCOPY --from=setup /guzzle /guzzle
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