Hands-On Microservices with Kotlin

Understanding repositories

In our previous examples, when we built a Docker image, we published it into our local system repository so we can execute Docker run. Docker will be able to find them; this local repository exists only on our system, and most likely we need to have this access to wherever we like to run our Docker.

For example, we may create our Docker in a pipeline that runs on a machine that creates our builds, but the application itself may run in our preproduction or production environments, so the Docker image should be available on any system that we need.

One of the great advantages of Docker is that any developer building an image can run it from their own system exactly as they would on any server. This will minimize the ...