Docker layer caching in Woodpecker CI

tldr: SOURCE_DATE_EPOCH value changes will invalidate WORKDIR &rsquo;s cache. The problem Recently, I switched my CI to Woodpecker, amid Cirrus CI&rsquo;s shutdown. I&rsquo;m both happy and sad, happy for the team at Cirrus Lab for joining one of the prestigious AI companies, and sad because the market lost such an amazing product. Back to the topic, I was setting up the workflow file for building…