Using the PlanetScale CLI with GitHub Actions workflows

Placing a database schema in an isolated environment separate from production can aid development and testing processes by allowing for changes to be made and tested without affecting the live application. To accomplish this, GitHub Actions can be used in conjunction with PlanetScale's CLI to automate the process of creating a new branch in PlanetScale whenever a branch is created or pushed to a specific repository in GitHub. The process involves setting up a workflow file that triggers when a branch starts with `db/` and creates a new database branch using the `pscale` command-line interface, as well as authenticating with PlanetScale using a service token stored in GitHub Secrets. Once the database is created, a deploy request can be opened to propose schema changes, allowing for feedback from the team before merging the change into the main branch. The process also includes creating shell scripts that handle logic and error handling for the workflow, such as authenticating with PlanetScale and extracting parameters from the GitHub event inputs. By automating this process, developers can increase productivity and reduce manual effort when working with databases in their development and testing workflows.

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