SpringBoot 构建 Docker 镜像的 gradle 有3 种方式

本文将介绍3种技术，通过 maven 把 SpringBoot 应用构建成 Docker 镜像。

（1）使用 spring-boot-gradle-plugin 内置的 build-image .

（2）使用 Google 的 jib-gradle-plugin 。

（3）使用 dockerfle-gradle-plugin 。

这里用的是 jib-gradle-plugin
官网地址
核心配置

     id 'com.google.cloud.tools.jib' version '3.1.4'  

 jib {
//    from {
//        image = 'registry.cn-shanghai.aliyuncs.com/starxin/docker-jib:1.0'
//    }
    to {
        image = 'registry.cn-hangzhou.aliyuncs.com/chenye-repository/test-springboot-image'
        auth {
            username = "chenye15002770045"
            password = "3451"
        }
    }
    container {
        creationTime = 'USE_CURRENT_TIMESTAMP'
        jvm Flags  = ['-Djava.security.egd=file:/dev/./urandom', '-Dspring.profiles.active=prod', '-Dfile.encoding=utf-8', '-Duser.timezone=GMT+08']
        mainClass = 'com.example.bootdockerdemo.BootDockerDemoApplication'
        ports = ['8080']
    }
}  

g

 plugins {
    id 'org.springframework.boot' version '2.5.6'
    id 'io.spring.dependency-management' version '1.0.11.RELEASE'
    id 'java'
    id 'org.springframework.experimental.aot' version '0.10.5'
    id 'org.graalvm.buildtools.native' version '0.9.4'
//    id "com.google.cloud.tools.jib" version "2.0.0"
    id 'com.google.cloud.tools.jib' version '3.1.4'

}

group = 'com.example'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '11'

configurations {
    compileOnly {
         extends From annotationProcessor
    }
}

repositories {
    maven { url '#39; }
    maven { url '#39; }
    mavenCentral()
}

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-web'
    compileOnly 'org.projectlombok:lombok'
//    developmentOnly 'org.springframework.boot:spring-boot-devtools'
    annotationProcessor 'org.projectlombok:lombok'
    testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

test {
    useJUnitPlatform()
}

bootBuildImage {
    builder = 'paketobuildpacks/builder:tiny'
    builder = 'registry.cn-hangzhou.aliyuncs.com/chenye-repository/test-springboot-image:1.0'

    environment = ['BP_NATIVE_IMAGE': 'true']
//    host ='tcp://192.168.99.100:2376'
    publish = true
}

nativeBuild {
    classpath processAotResources.outputs, compileAotJava.outputs
}

nativeTest {
    classpath processAotTestResources.outputs, compileAotTestJava.outputs
}


jib {
//    from {
//        image = 'registry.cn-shanghai.aliyuncs.com/starxin/docker-jib:1.0'
//    }
    to {
        image = 'registry.cn-hangzhou.aliyuncs.com/chenye-repository/test-springboot-image'
        auth {
            username = "chenye15002770045"
            password = "3451"
        }
    }
    container {
        creationTime = 'USE_CURRENT_TIMESTAMP'
        jvmFlags = ['-Djava.security.egd=file:/dev/./urandom', '-Dspring.profiles.active=prod', '-Dfile.encoding=utf-8', '-Duser.timezone=GMT+08']
        mainClass = 'com.example.bootdockerdemo.BootDockerDemoApplication'
        ports = ['8080']
    }
}