https://www.joelmerrick.co.uk/tags/opentelemetry/ Recent content in OpenTelemetry on Joel Merrick Hugo en-GB Mon, 19 Oct 2026 22:00:00 +0100 https://www.joelmerrick.co.uk/blog/dummy-run/ Mon, 19 Oct 2026 22:00:00 +0100 https://www.joelmerrick.co.uk/blog/dummy-run/ <p><a href="https://dummyrun.dev">Dummy Run</a> is an open-source tool that lets AI act as your users and try your application before your customers do. It is available on <a href="https://github.com/dummy-run/dummy-run">GitHub</a> under the Apache 2.0 licence. The name is British English for a trial run; here, the dummies do the running.</p> <h2 id="the-problem">The problem <a class="heading-anchor" href="#the-problem" aria-label="Link to this section">#</a></h2><p>Most teams now build a preview environment for every pull request. In principle, someone checks each preview before it is merged. In practice, that check is often brief, it follows the expected path, and it is done from a single account. Few people test as a user with restricted permissions, a different device or an unusual way of working, which is where many real problems appear.</p>