Hello everyone, I actually thought the whole time I had already written an article about this. Then I realized that although I’ve already mentioned ArchUnit a few times, but I haven’t written anything about it, except in my Obsidian Vault. So I’ll catch up on that today.

“But locally everything went green!”

We all know this pain: your pipeline is green, your tests run locally in milliseconds. You deploy to staging or production – and it works. SQLSyntaxErrorException. Or worse: data is stored incorrectly.

The two pillars of requirements

It’s Friday afternoon, 4:00 p.m. You’ve just merged the feature, the pipeline is green, and you feel invincible. Then the Slack message comes from the product owner: “Hey, looks good, but why does X happen when I do Y? That was discussed completely …