Someone was wrong on the internet, so I built a Temporal Docker extension
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A Temporal developer advocate built a Docker Desktop extension for running Temporal locally after a community member doubted it was possible. The extension wraps the `temporal server start-dev` command behind a button in Docker Desktop, exposing gRPC on localhost:7233 and the Temporal Web UI on localhost:8233, with SQLite-backed persistent storage. An early iframe-based approach was scrapped after re-reading Docker's extension design guidelines, which require native-feeling UI rather than embedding entire product surfaces. The final extension shows server readiness, worker status, recent workflows with deep-links into Temporal UI, and a confirmation-gated Clear History button for resetting local state. The goal is to lower the barrier to starting Temporal locally for developers already comfortable in Docker Desktop, without replacing the CLI or the full Temporal Web UI.
