Mastering Spring Cloud

Advanced Docker images

Until now, we have built rather simple Docker images. However, it is sometimes necessary to create a more advanced image. We will need such an image for the purpose of Continuous Delivery presentation. This Docker image will be run as a Jenkins slave and would be connected to the Jenkins master, which is started as a Docker container. We have not found such an image on Docker Hub, so we created in by ourselves. Here, the image has to contain Git, Maven, JDK8, and Docker. These are all the tools required for building our example microservices using the Jenkins slave. I will give you a brief summary of the basics related to Continuous Delivery using the Jenkins server in a later section of this chapter. For now, we will ...