Continuous Integration, Delivery, and Deployment

Smoke tests

Of course, even when all of your tests succeed, a product can still break in production. The database may be down or maybe you have a website and the web server is down. It is always important to also test whether your software is actually working in a production environment, so be sure to always do an automated smoke test after deployment that gives you fast and detailed feedback when something goes wrong. A smoke test should test whether the most important parts of your system work. A manual smoke test is fine (and I'd always manually check whether your software, at least, runs after a release), but remember it's another human action that may be forgotten or done poorly.

Some people run smoke tests before doing integration and ...