外置application.properties和logback.xml配置文件

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自定义打包输出

使用maven-assembly-plugin自定义打包输出，其在pom文件中的配置如下：

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<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-assembly-plugin</artifactId>
    <configuration>
        <finalName>4a-insight-clickhouse</finalName>
        <descriptors>
            <descriptor>src/main/assembly/package.xml</descriptor>
        </descriptors>
    </configuration>
    <executions>
        <execution>
            <!-- 绑定到package生命周期阶段上 -->
            <phase>package</phase>
            <goals>
                <!-- 只运行一次 -->
                <goal>single</goal>
            </goals>
        </execution>
    </executions>
    <resources>
    <resource>
        <directory>src/main/resources</directory>
        <excludes>
            <exclude>logback-spring.xml</exclude>
        </excludes>
    </resource>
</resources>
</plugin>

<descriptors>描述自定义文件的位置，<phase>maven打包的哪个生命周期生效。由于有了外置的logback-spring.xml文件，所以要排除掉jar包内的logback-spring.xml文件，要不然会出现错误。

package.xml配置文件：

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<assembly
        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
    <id>full</id>
    <formats>
        <format>zip</format>
    </formats>
    <includeBaseDirectory>false</includeBaseDirectory>
    <fileSets>
        <!-- for bin -->
        <fileSet>
            <directory>src/main/bin</directory>
            <includes>
                <include>*.*</include>
            </includes>
            <directoryMode>775</directoryMode>
            <outputDirectory>/bin</outputDirectory>
        </fileSet>
        <!-- for spring boot jar -->
        <fileSet>
            <directory>target/</directory>
            <includes>
                <include>9n-4a-insight-0.0.1-SNAPSHOT.jar</include>
            </includes>
            <outputDirectory>/lib</outputDirectory>
        </fileSet>

        <fileSet>
            <!--打包时把配置文件放在config目录下，并且config目录与jar包同属于一个目录-->
            <directory>target/classes/</directory>
            <includes>
                <include>application.properties</include>
                <include>logback-spring.xml</include>
            </includes>
            <outputDirectory>/lib/config</outputDirectory>
            <fileMode>0755</fileMode>
        </fileSet>
    </fileSets>
</assembly>

将jar包放到lib目录下，application.properties和logback-spring.xml放到lib/config目录下，启动和停止脚本放到bin目录下。关于application.properties配置文件生效优先级参考：https://www.jianshu.com/p/86a40ce2eb7a，logback扩展配置参考：https://juejin.im/post/5bbdb64fe51d450e5e0cb1c4。

应用启动命令配置

根据命令执行的当前路径找到对应的配置文件

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#!/usr/bin/env bash
java -jar  -Dspring.config.location=../lib/config/ -Dlogback.configurationFile=../lib/config/logback-spring.xml ../lib/9n-4a-insight-0.0.1-SNAPSHOT.jar &