Multi Architecture OCI images Spring Boot 3.4.x

Spring Boot is the greatest of all opinionated frameworks that helps in creating JVM based full stack apps & APIs.

It provides sophisticated automation across the entire development lifecycle. It excels in all the phase of:-

➫ Development.
➫ Build & Packaging.
➫ Container Integration.

Containerization support that Spring boot offers out of the box is quite impressive indeed.

With recent Spring boot 3.4.0 release on 21st November 2024 it provides a feature to create OCI images across different platforms.
The related release note for the update is here.

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Commands to build regular OCI image using Spring Boot’s MAVEN Plugin(covering only maven here), are quite easy.

➫ To start with, it is Straight forward enough, Build an image without any custom preferences:-

mvnw clean spring-boot:build-image

This will create an image in the format:-

docker.io/library/${project.artifactId}:${project.version}

➫ Provide custom image name:-

mvnw spring-boot:build-image -Dspring-boot.build-image.imageName=demo:tag

This builds an image with name demo with image tag = tag but the date of build will be like 44years ago or may be older than that if you are running it later sometime. It is the epoch time.

➫ Provide custom creation time for the image:-

mvnw clean spring-boot:build-image \
   -Dspring-boot.build-image.imageName=demo \
   -Dspring-boot.build-image.createdDate=now

➫ now is going to set present date to the image creation date.
➫ one may use ISO 8601 instant format too, for custom time stamp.

➫ Cross platform builds

mvnw clean spring-boot:build-image \…