We have already discussed the basic Docker commands that are available for running, creating, and managing containers. It's now time to create and build our first Docker image that starts the sample microservice that we introduced in the previous chapter. For that, we should move back to the repository available at the address https://github.com/piomin/sample-spring-cloud-comm.git and then switch to the branch feign_with_discovery
on https://github.com/piomin/sample-spring-cloud-comm/tree/feign_with_discovery. There, you will find a Dockerfile
for every single microservice, gateway, and discovery. Before discussing these examples however we should refer to the Dockerfile
reference to understand the basic commands that we can place there. In fact, Dockerfile
is not the only way to build Docker images; we're also going to show you how to create an image with a microservice using the Maven plugin.
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Piotr works as a Solution Architect at Red Hat. He has several years of experience in software architecture and development. During this time, he was working in large organizations, where he was responsible for IT transformation to the modern cloud-native development approach. He is interested in technologies related to programming, containerization, and microservices. He writes about it in his blog https://piotrminkowski.com.
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Piotr works as a Solution Architect at Red Hat. He has several years of experience in software architecture and development. During this time, he was working in large organizations, where he was responsible for IT transformation to the modern cloud-native development approach. He is interested in technologies related to programming, containerization, and microservices. He writes about it in his blog https://piotrminkowski.com.
Read more about Piotr Mińkowski