Springboot dockerfile 없이 이미지 생성하기 bootBuildImage

springboot 2.3부터 새로 생긴 task bootBuildImage

docker image chache를 이용하기 위해 layer를 나눈다.

bootJar {
    layered()
}

task bootBuildImage 실행

10:43:09 오후: Executing task 'bootBuildImage'...

> Task :compileJava UP-TO-DATE
> Task :processResources UP-TO-DATE
> Task :classes UP-TO-DATE
> Task :bootJarMainClassName UP-TO-DATE
> Task :bootJar UP-TO-DATE

> Task :bootBuildImage
Building image 'docker.io/library/chat:0.0.1-SNAPSHOT'

 > Pulling builder image 'docker.io/paketobuildpacks/builder:base' ..................................................
 > Pulled builder image 'paketobuildpacks/builder@sha256:29740eb75a9d79a884ed7283d98306048e0c844376f6e48065b6692f8205e8fe'
 > Pulling run image 'docker.io/paketobuildpacks/run:base-cnb' ..................................................
 > Pulled run image 'paketobuildpacks/run@sha256:47481aa496959d425f4a7d306875c0e17babe3981cc98a406b177f1491e5a27d'
 > Executing lifecycle version v0.11.3
 > Using build cache volume 'pack-cache-26dc6ec3f13a.build'

 > Running creator
    [creator]     ===> DETECTING
    [creator]     5 of 18 buildpacks participating
    [creator]     paketo-buildpacks/ca-certificates   2.3.2
    [creator]     paketo-buildpacks/bellsoft-liberica 8.1.2
    [creator]     paketo-buildpacks/executable-jar    5.1.2
    [creator]     paketo-buildpacks/dist-zip          4.1.2
    [creator]     paketo-buildpacks/spring-boot       4.4.2
    [creator]     ===> ANALYZING
    [creator]     Restoring metadata for "paketo-buildpacks/ca-certificates:helper" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/bellsoft-liberica:helper" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/bellsoft-liberica:java-security-properties" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/bellsoft-liberica:jre" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/bellsoft-liberica:jvmkill" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/spring-boot:helper" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/spring-boot:spring-cloud-bindings" from app image
    [creator]     Restoring metadata for "paketo-buildpacks/spring-boot:web-application-type" from app image
    [creator]     ===> RESTORING
    [creator]     ===> BUILDING
    [creator]     
    [creator]     Paketo CA Certificates Buildpack 2.3.2
    [creator]       https://github.com/paketo-buildpacks/ca-certificates
    [creator]       Launch Helper: Reusing cached layer
    [creator]     
    [creator]     Paketo BellSoft Liberica Buildpack 8.1.2
    [creator]       https://github.com/paketo-buildpacks/bellsoft-liberica
    [creator]       Build Configuration:
    [creator]         $BP_JVM_VERSION              11.*            the Java version
    [creator]       Launch Configuration:
    [creator]         $BPL_JVM_HEAD_ROOM           0               the headroom in memory calculation
    [creator]         $BPL_JVM_LOADED_CLASS_COUNT  35% of classes  the number of loaded classes in memory calculation
    [creator]         $BPL_JVM_THREAD_COUNT        250             the number of threads in memory calculation
    [creator]         $JAVA_TOOL_OPTIONS                           the JVM launch flags
    [creator]       BellSoft Liberica JRE 11.0.11: Reusing cached layer
    [creator]       Launch Helper: Reusing cached layer
    [creator]       JVMKill Agent 1.16.0: Reusing cached layer
    [creator]       Java Security Properties: Reusing cached layer
    [creator]     
    [creator]     Paketo Executable JAR Buildpack 5.1.2
    [creator]       https://github.com/paketo-buildpacks/executable-jar
    [creator]       Class Path: Contributing to layer
    [creator]         Writing env/CLASSPATH.delim
    [creator]         Writing env/CLASSPATH.prepend
    [creator]       Process types:
    [creator]         executable-jar: java org.springframework.boot.loader.JarLauncher (direct)
    [creator]         task:           java org.springframework.boot.loader.JarLauncher (direct)
    [creator]         web:            java org.springframework.boot.loader.JarLauncher (direct)
    [creator]     
    [creator]     Paketo Spring Boot Buildpack 4.4.2
    [creator]       https://github.com/paketo-buildpacks/spring-boot
    [creator]       Creating slices from layers index
    [creator]         dependencies
    [creator]         spring-boot-loader
    [creator]         snapshot-dependencies
    [creator]         application
    [creator]       Launch Helper: Reusing cached layer
    [creator]       Spring Cloud Bindings 1.7.1: Reusing cached layer
    [creator]       Web Application Type: Reusing cached layer
    [creator]       4 application slices
    [creator]       Image labels:
    [creator]         org.springframework.boot.version
    [creator]     ===> EXPORTING
    [creator]     Reusing layer 'paketo-buildpacks/ca-certificates:helper'
    [creator]     Reusing layer 'paketo-buildpacks/bellsoft-liberica:helper'
    [creator]     Reusing layer 'paketo-buildpacks/bellsoft-liberica:java-security-properties'
    [creator]     Reusing layer 'paketo-buildpacks/bellsoft-liberica:jre'
    [creator]     Reusing layer 'paketo-buildpacks/bellsoft-liberica:jvmkill'
    [creator]     Reusing layer 'paketo-buildpacks/executable-jar:classpath'
    [creator]     Reusing layer 'paketo-buildpacks/spring-boot:helper'
    [creator]     Reusing layer 'paketo-buildpacks/spring-boot:spring-cloud-bindings'
    [creator]     Reusing layer 'paketo-buildpacks/spring-boot:web-application-type'
    [creator]     Reusing 5/5 app layer(s)
    [creator]     Reusing layer 'launcher'
    [creator]     Reusing layer 'config'
    [creator]     Reusing layer 'process-types'
    [creator]     Adding label 'io.buildpacks.lifecycle.metadata'
    [creator]     Adding label 'io.buildpacks.build.metadata'
    [creator]     Adding label 'io.buildpacks.project.metadata'
    [creator]     Adding label 'org.springframework.boot.version'
    [creator]     Setting default process type 'web'
    [creator]     Saving docker.io/library/chat:0.0.1-SNAPSHOT...
    [creator]     *** Images (1006e44a0133):
    [creator]           docker.io/library/chat:0.0.1-SNAPSHOT

Successfully built image 'docker.io/library/chat:0.0.1-SNAPSHOT'

 docker images | grep chat

docker run -e spring.profiles.active=local -p8080:8080 -m=1G chat:0.0.1-SNAPSHOT