What fast debugging actually looks like on Upsun

Debugging complex deployment issues can be a time-consuming process, but Upsun's developer workflow with preview environments and observability tools helps streamline it effectively. A recent customer incident involving a Drupal site with broken composer scripts and mismatched database credentials illustrates how fast debugging can be achieved using Upsun's platform. Developer Advocate Paul Gilzow demonstrates the debugging process, which involves systematically investigating logs to identify errors, inspecting the AI-generated application container, comparing it with a clean Drupal installation, and implementing targeted fixes until the site is operational. The workflow follows a structured approach of investigating, isolating, fixing, and validating, ensuring each change is small, testable, and secure due to the use of isolated environments that replicate production setups. This case study, available as a video walkthrough, showcases how such an approach can efficiently transition a project from a state of error to a fully functional site, with an opportunity for users to experience this workflow through a free Upsun trial.

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