While setting up continuous delivery for your product, one of the biggest challenge is to implement continuous testing. We are gradually moving away from manual testing to automation. But how do we integrate the automated tests into your system? How to run integration tests everyday considering that the test environment can get polluted with failed tests? Docker is a type of a virtualisation platform, a container. Shippable is a hosted cloud platform that provides hosted continuous integration, deployment, and testing to GitHub and Bitbucket repositories.