NimbleCI is a service that builds docker images as part of your GitHub workflow. Some of it’s main features are:
NimbleCI integrates tightly with GitHub, each and every Pull Request is built. This allows you to deploy that specific image to a testing environment for manual or automatic testing before you merge the Pull Request
NimbleCI is one of the fastest image builders out there. We constantly benchmark our build speeds and make use of caching to make your builds as fast as possible.