Maven插件创建并运行Docker镜像

╰半夏微凉° 2023-06-18 15:55 15阅读 0赞

## 环境 ##

linux上的测试环境，安装docker服务；win10开发环境，未装docker，保证网络能连接到测试环境的Docker即可。

## 一、开启远程访问 ##

开启Docker的远程访问，使本地win10构建好的镜像，通过maven插件可自动添加到linux的docker中。

cat /usr/lib/systemd/system/docker.service

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3Nvbmd6ZWhhbw_size_16_color_FFFFFF_t_70][]

## 二、pom添加maven插件 ##

<properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
        <docker.image.prefix>springboot</docker.image.prefix>
    </properties>
    <plugin>
        <groupId>com.spotify</groupId>
        <artifactId>docker-maven-plugin</artifactId>
        <version>0.4.13</version>
        <configuration>
            
            <imageName>${docker.image.prefix}/${project.artifactId}</imageName>
            
            <dockerDirectory>src/main/docker</dockerDirectory>
            
            <dockerHost>http://10.1.4.17:2375</dockerHost>
            <resources>
                <resource>
                    <targetPath>/</targetPath>
                    <directory>${project.build.directory}</directory>
                    <include>${project.build.finalName}.jar</include>
                </resource>
                <resource>
                    <targetPath>/htmlRepo</targetPath>
                    <directory>${project.build.testOutputDirectory}/cis_branchReport</directory>
                    <include>**/*.html</include>
                </resource>
                <resource>
                    <targetPath>/htmlRepo</targetPath>
                    <directory>${project.build.testOutputDirectory}/cis_dvc</directory>
                    <include>**/*.html</include>
                </resource>
                <resource>
                    <targetPath>/htmlRepo</targetPath>
                    <directory>${project.build.testOutputDirectory}/cis_map4room</directory>
                    <include>**/*.html</include>
                </resource>
                <resource>
                    <targetPath>/pyRepo</targetPath>
                    <directory>${project.build.outputDirectory}/static/assets/pythons</directory>
                    <include>**/*</include>
                </resource>
            </resources>
        </configuration>
    </plugin>

**注意**：在pom中不可使用<expose><entryPoint>的原因（即要么都通过Dockerfile构建，要么都在pom中构建）：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3Nvbmd6ZWhhbw_size_16_color_FFFFFF_t_70 1][]

## 三、新建Dockerfile文件 ##

在项目src/main/docker下新建Dockerfile文件：

# 基于哪个镜像
    FROM java:8
    # 将本地文件夹挂载到当前容器（将容器中的目录当做持久化存储）
    VOLUME /tmp
    # 复制文件到容器，也可以直接写成 ADD cis-1.0.0.jar /cis.jar
    ADD cis-1.0.0.jar cis.jar
    RUN bash -c 'touch /cis.jar'
    # 声明需要暴露的端口
    EXPOSE 8761
    # 配置容器启动后执行的命令
    ENTRYPOINT ["java", "-jar", "/cis.jar", "--spring.profiles.active=test", "--server.port=8761"]

## 四、项目根目录下打包 ##

E:\codes_svn\cis_trunk>mvn -DskipTests=true clean package docker:build
    或E:\codes_svn\cis_trunk>mvn -DskipTests=true clean install docker:build

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3Nvbmd6ZWhhbw_size_16_color_FFFFFF_t_70 2][]

## 五、去docker服务器上查看镜像情况 ##

docker images

发现已多了一个镜像：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3Nvbmd6ZWhhbw_size_16_color_FFFFFF_t_70 3][]

## 六、运行镜像以启动一个容器 ##

docker run -d -p 8760:8761 springboot/cis

然后在本地访问服务：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3Nvbmd6ZWhhbw_size_16_color_FFFFFF_t_70 4][]

借此，也可在Jenkins上通过修改Execute Shell，来使测试环境容器化。

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