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Developer cuts Go microservice release time 15x by migrating six repos to a monorepo

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A software developer spent over an hour manually cutting a release across six Go microservice repositories, juggling dependency ordering across 18 branch operations before a missed dependency broke a build at 11pm. To eliminate the problem, they built an automated release pipeline using Jenkins, Python, and GitLab, running entirely on a local MacBook with ngrok tunneling webhooks to Jenkins. The six Go modules follow a strict dependency chain requiring sequential tagging for some services and parallel processing for others, making manual releases error-prone. After automating the multi-repo workflow, the developer identified the fragmented architecture itself as the root cause and consolidated all six repositories into a single Go monorepo using Go workspaces. The migration reduced release time by 15 times compared to the original manual process, with the full setup reproducible locally and available for others to fork and test.

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