Another Image (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧🐳

Simple project to test Maven + GraalVM native images + Spring Boot Docker image generation (uber - plain - native).

The dummy Spring Boot application only include the spring-boot-starter-actuator actuator endpoint at http://localhost:8080/actuator.

The three images can be created via the usage of the build.sh script or with the commands in the second part of this README.

Small summaries are available after the build.sh script execution to compare the image sizes and the build times (each build time is inaccurate due to Docker images and layers cache shared between the three image build generations - this project does not aim to be a benchmark (¬‿¬)).

For those who do not want to run the build on their machines and see the result by themselves, here are some results I obtained on one of my (very) old but faithful machines:

Build times have been calculated on an arbitrary average of 5 builds (with the base image on the machine). Initialization times have been calculated on an arbitrary average of 20 launches.

Do not hesitate to do something else during the build, it may take a while depending on your machine.

./build.sh

Build the image:

docker build -t another-image:uber -f uber.Dockerfile .

Run the container:

docker run --rm -p 8080:8080 another-image:uber 

Build the image:

docker build -t another-image:plain -f plain.Dockerfile .

Run the container:

docker run --rm -p 8080:8080 another-image:plain 

Build the image:

./mvnw -Pnative -Dspring-boot.build-image.imageName=another-image:native spring-boot:build-image

Run the container:

docker run --rm -p 8080:8080 another-image:native