Running your Spring Boot application in a Docker container has numerous benefits. First, Docker’s friendly, CLI-based workflow lets developers build, share, and run containerized Spring applications for other developers of all skill levels. Second, developers can install their app from a single package and get it up and running in minutes. Third, Spring developers can code and test locally while ensuring consistency between development and production.

Containerizing a Spring Boot application is easy. You can do this by copying the .jar or .war file right into a JDK base image and then packaging it as a Docker image. There are numerous articles online that can help you effectively package your apps. However, many important concerns like Docker image vulnerabilities, image bloat, missing image tags, and poor build performance aren’t addressed. We’ll tackle those common concerns while sharing nine tips for containerizing your Spring Boot code.

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