Test-Driven Java Development, Second Edition - Second Edition

Deployments to production

With the release process covered, John starts explaining to you how the service is deployed to production. It is very manual work: one member of the infrastructure team (IT) department copies the artifact to the server and executes a few commands to get it running.

John also takes the opportunity to add some stories of errors that they suffered in the past, like the time when, instead of deploying the latest version, the infrastructure operator mistakenly redeployed an old version. A bunch of old bugs reappeared and stayed in production until somebody found out what had happened.

While listening to those stories, you can't help but start thinking about what you have learned from previous projects and companies. You ...