gradle multiproject && docker build

备注：

  环境准备 ： docker ， gradle(使用wrapper,或者全局安装),测试环境使用mac

1. gradle 安装

brew install gradle 

 

2. docker

// 安装
yum install -y yum-utils
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install docker-ce
// 加速
curl -sSL https://get.daocloud.io/daotools/set_mirror.sh | sh -s http://099430a4.m.daocloud.io

3. gradle 项目结构

gradle wrapper
├── README.md
├── build.gradle
├── gradle
│   └── wrapper
│       ├── gradle-wrapper.jar
│       └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── lib
│   └── commons-codec.jar
├── moviesservice
│   ├── build.gradle
│   └── src
│       └── main
│           ├── java
│           │   └── com
│           │       └── dalong
│           │           └── moviesservice
│           │               └── Movies.java
│           └── resources
├── settings.gradle
├── src
│   ├── main
│   │   ├── docker
│   │   │   └── Dockerfile
│   │   ├── java
│   │   │   └── com
│   │   │       └── dalong
│   │   │           └── Application.java
│   │   └── resources
│   └── test
│       ├── java
│       └── resources
└── userservice
    ├── build.gradle
    └── src
        └── main
            ├── java
            │   └── com
            │       └── dalong
            │           └── userservice
            │               └── User.java
            └── resources

 

 

4. 代码说明

多项目主要是 settings.gradle,具体代码如下：
1. settings.gradle
rootProject.name = 'parent'
include 'moviesservice'
include 'userservice'
2. build.gradle
group 'com.gradleapp'
version '1.0-SNAPSHOT'
buildscript {
    repositories {
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
    }
    dependencies {
        classpath('se.transmode.gradle:gradle-docker:1.2')
    }
}
apply plugin: 'java'
apply plugin: 'application'
apply plugin: "docker"
sourceCompatibility = 1.8
mainClassName = 'com.dalong.Application'
repositories {
    mavenCentral()
    maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
}
// 依赖引用
dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
    compile project(":userservice")
    compile project(":moviesservice")
    compile files("lib/commons-codec.jar")
}
// docker build task
task buildDocker(type:Docker,dependsOn:build){
    push = false
    applicationName ="gradlemultiproject"
    project.group="dockerimagehost/mydemo"
    dockerfile = file("${projectDir}/src/main/docker/Dockerfile")
    doFirst {
        copy {
            from distZip
            into stageDir
        }
    }
}
3. 子项目gradle 配置，比较简单
group 'com.gradleapp'
version '1.0-SNAPSHOT'
apply plugin: 'java'
sourceCompatibility = 1.8
repositories {
}
dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
}
4. dockerfile

FROM openjdk:8-jre-alpine

WORKDIR /appdemo/

COPY parent-1.0-SNAPSHOT.zip /appdemo

RUN unzip /appdemo/parent-1.0-SNAPSHOT.zip && rm -rf parent-1.0-SNAPSHOT.zip

ENTRYPOINT [ "./parent-1.0-SNAPSHOT/bin/parent"]

5. 构建

gradle buildDocker   or  ./gradlew buildDocker
> Task :buildDocker
Sending build context to Docker daemon  224.8kB
Step 1/5 : FROM openjdk:8-jre-alpine
 ---> b1bd879ca9b3
Step 2/5 : WORKDIR /appdemo/
 ---> Using cache
 ---> 53e534f7f64f
Step 3/5 : COPY  parent-1.0-SNAPSHOT.zip /appdemo
 ---> f07ca2806459
Step 4/5 : RUN  unzip /appdemo/parent-1.0-SNAPSHOT.zip && rm -rf parent-1.0-SNAPSHOT.zip
 ---> Running in f42179c4ac39
Archive:  /appdemo/parent-1.0-SNAPSHOT.zip
   creating: parent-1.0-SNAPSHOT/
   creating: parent-1.0-SNAPSHOT/lib/
  inflating: parent-1.0-SNAPSHOT/lib/parent-1.0-SNAPSHOT.jar
  inflating: parent-1.0-SNAPSHOT/lib/commons-codec.jar
  inflating: parent-1.0-SNAPSHOT/lib/userservice-1.0-SNAPSHOT.jar
  inflating: parent-1.0-SNAPSHOT/lib/moviesservice-1.0-SNAPSHOT.jar
   creating: parent-1.0-SNAPSHOT/bin/
  inflating: parent-1.0-SNAPSHOT/bin/parent.bat
  inflating: parent-1.0-SNAPSHOT/bin/parent
Removing intermediate container f42179c4ac39
 ---> e322da1a4e8a
Step 5/5 : ENTRYPOINT [ "./parent-1.0-SNAPSHOT/bin/parent"]
 ---> Running in 8c279ec90d6f
Removing intermediate container 8c279ec90d6f
 ---> 39e705358ef1
Successfully built 39e705358ef1
Successfully tagged dockerimagehost/mydemo/gradlemultiproject:1.0-SNAPSHOT

 

6.  参考资料

https://docs.gradle.org/4.5/userguide/intro_multi_project_builds.html
https://github.com/Transmode/gradle-docker
https://github.com/rongfengliang/gradlemultiproject.git