Use Spring Boot layered jars to optimize Docker images #155
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The
spring-boot-maven-pluginis configured to use the default layerd jars:dependenciesfor any dependency whose version does not contain SNAPSHOT.spring-boot-loaderfor the jar loader classes.snapshot-dependenciesfor any dependency whose version contains SNAPSHOT.applicationfor application classes and resources.More information on https://docs.spring.io/spring-boot/docs/current/maven-plugin/reference/html/
The
Dockerfilehas been updated with multi-staged build. Thebuilderstage extract the JAR. Each directories belgons to a Docker layerMore information on https://spring.io/blog/2020/01/27/creating-docker-images-with-spring-boot-2-3-0-m1