Show HN: I built a tool to replay failed CI builds on my machine

Category: devtools

Tags: go, ci-cd, reproducibility, debugging, docker

Score: 7.0/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 6)

REW captures a failed Go build, including workspace files and verified dependency artifacts, into a portable .rew capsule for offline replay in a constrained Docker container. It addresses the common pain of reproducing CI failures locally, though it is currently limited to specific Go versions and build commands.

Target audience: backend devs, devops engineers, go developers

Repository: https://github.com/rewtools/rew · Go · Apache-2.0 · 10 stars

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