You require a GitHub account and need to be the owner of the project you'll set up for continuous integration. We will create a Travis CI account as part of this chapter.
You can checkout the full code referred to in this chapter in the Chapter04 subdirectory from GitHub (https://github.com/PacktPublishing/Hands-On-Docker-for-Microservices-with-Python/tree/master/Chapter04). The file ending with .travis.yml is in the root directory (https://github.com/PacktPublishing/Hands-On-Docker-for-Microservices-with-Python/blob/master/.travis.yml).