补习系列-springboot-使用assembly进行项目打包

目录

• springboot-maven插件
• 1. 项目打包Jar
• 2. 项目完整构建
• 3. 本地包依赖
• 参考文档

springboot-maven插件

springboot-maven插件

repackage目标声明

Requires a Maven project to be executed.
Requires dependency resolution of artifacts in scope: compile+runtime.
Since version: 1.1.
Binds by default to the lifecycle phase: package.

1. 项目打包Jar

<build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

如此，执行mvn package可自动生成一个独立可执行的jar文件

2. 项目完整构建

通常，项目发布时除了jar包，还会包含配置文件、启停脚本等，此时需要借助assembly插件完成重复打包
构建结构

base
    - bin
        - start.sh
        - stop.sh
    - application.properties
    - log4j.properties
    - app-0.0.1-SNAPSHOT.jar

pom定义

<build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.4</version>
                <executions>
                    <execution>
                        <id>bundle</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                        <configuration>
                            <descriptors>
                                <descriptor>${basedir}/src/main/build/assembly.xml</descriptor>
                            </descriptors>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

说明
将assembly定义在spring-boot:repackage之后，这样maven在执行package阶段时会按照声明顺序处理；
assembly.xml存放于src/main/build目录，此外用于发布的config、bin目录及文件都放到这个目录；

assembly定义

<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
    <id>bundle</id>
    <formats>
        <format>tar.gz</format>
    </formats>
    <includeBaseDirectory>false</includeBaseDirectory> <!-- disable the creation of root's distribution dir in the archive -->
    
     <fileSets>  
        <!-- config files -->
        <fileSet>  
            <directory>${basedir}/src/main/build/config</directory>  
            <excludes></excludes>  
             <includes>
                <include>application*.properties</include>
                <include>log4j.properties</include> 
            </includes>
            <fileMode>0644</fileMode>
            <outputDirectory>/</outputDirectory>  
        </fileSet>  
        <!-- scripts -->
        <fileSet>
            <directory>${basedir}/src/main/build/bin</directory>
            <includes>
                <include>*.sh</include>
            </includes>
            <fileMode>0755</fileMode>
            <outputDirectory>/</outputDirectory>
        </fileSet>
        <!-- executable jar -->
         <fileSet>
            <directory>${project.build.directory}</directory>
            <outputDirectory>/</outputDirectory>
            <includes>
                <include>${project.artifactId}-${project.version}.jar</include>
            </includes>
            <fileMode>0755</fileMode>
        </fileSet>
    </fileSets>  
    
</assembly>

关于内置变量

3. 本地包依赖

• 定义scope=system依赖

<dependency>
   <groupId>com.xxx.component</groupId>
   <artifactId>mongoop</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <scope>system</scope>
   <systemPath>D:\work\maven\repo\m2\xxx.jar</systemPath>
  </dependency>

• 声明springboot打包时包含system范围的依赖

<build>
  <plugins>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
     <includeSystemScope>true</includeSystemScope>
    </configuration>
    <executions>
     <execution>
      <goals>
       <goal>repackage</goal>
      </goals>
     </execution>
    </executions>
   </plugin>
  </plugins>
 </build>

参考文档

springboot文档-maven插件使用
关于springboot-repackage
maven内置变量

作者： zale

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