Continuous Delivery with Docker and Jenkins

Docker client and server

Let's look at a diagram that presents the Docker Engine architecture:

Docker Engine consists of three components:

• Docker Daemon (server) running in the background
• Docker Client running as a command tool
• REST API

Installing Docker Engine means installing all the components so that the Docker daemon runs on our computer all the time as a service. In the case of the hello-world example, we used the Docker client to interact with the Docker daemon; however, we could do exactly the same using REST API. Also, in the case of the hello-world example, we connected to the local Docker daemon; however, we could use the same ...