These are examples of not so good tutorials. There are plenty of “Docker for Java developers” tutorials out there, that unintentionally encourage some Docker bad practices. To follow along, please create a free Codefresh account by adding one of your repos, and start building, testing and deploying Docker images instantly. Spoiler alert, it’s gonna be a long article. In this post, I will show you how to create an effective Java-Docker build pipeline to consistently produce small, efficient, and secure Docker images. Whatever reason, if you have to marry Java with Docker, you better do it properly. Maybe Java is your favorite language and you do not want to learn a new one, or you have a legacy codebase that you need to maintain, or your company decided on Java and you have no other option.
Despite that fact, I don’t think Java is usually the right choice for microservices.īut, sometimes you have to work with Java. It was a long love–hate relationship.ĭuring my work career, I wrote a lot of code in Java. I started working with Java in 1998, and for a long time, it was my main programming language. The recipe: Create a separate Docker image for each step and optimize the way you are running it. What is the bare minimum you need to build, test and run your Java application in Docker container?
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