Planting Bazel in barren soil: A Perl Story
summary
A 20‑year Perl monorepo is replatformed onto Bazel, moving from a 4GB monolith and 10 million lines of Perl to 6,000 distributions with 55% of services on Bazel. Tooling includes a custom Starlark parser in Perl, GitLab CI runners with remote cache and Buildbarn, and RPM reuse via dnf. Results: CI runs jump from 100 to 1.6M/month, test volume +12.5%, and Docker images shrink from 2.2GB to 500MB while build times drop from 22 to 2 minutes.
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