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It'll be interesting to see how it works. I would probably fight to not have shared dependencies because the relatively small benefit does not seem to merit the

It'll be interesting to see how it works. I would probably fight to not have shared dependencies because the relatively small benefit does not seem to merit the increased coupling between teams - if all teams needs to agree before a library can be upgraded, I can't imagine it will be very easy to keep libraries up-to-date. To a certain extent it depends on how large your engineering org is, which I don't know. I've been in companies that moved from monolith to microservices and I saw it work well except when teams had such tight cross-service dependencies that they had to get other teams' ok before making changes to internal details of their service. Then developer velocity was slower than before because it took time to make the cross-team discussion happen and political capital to make other team care when they have other priorities.

dangoor 7y ago
We'll see how it plays out, but the situation that I've described isn't really different from the one we have today (because we have a monolith). Hopefully, it will be better because of how the Go project is trying to get library maintainers to follow semver and avoid breaking changes. When we need to upgrade a dependency, we can do so in one diff, catching the errors with the compiler and test runs. If the upgrade seems risky, we'll watch that deploy carefully, and we already have a process for "risky" deploys. Plus, these are likely some of the easiest changes to rollback if need be, because they are unlikely to change persisted data. Ultimately, though, if we find that this plan reduces velocity, it won't be that hard to change later.