A step-by-step guide demonstrating how to containerize a Spring Boot web application using Docker. The tutorial covers copying JAR files into containers, creating Docker images from containers using commit commands, configuring default commands for containers, and exposing container ports to make the application accessible from the host machine. The process involves running a JDK container, copying the Spring Boot JAR file into it, committing the container as an image, and properly configuring port mapping for external access.
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