我是Maven的新手，我正在从事一个maven项目，该项目的pom.xml是针对springframework生成的。阅读以下两个指南后，我遇到了一些无法找到或无法回答的问题：
https://www.tutorialspoint.com/maven/
http://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html
这是pom.xml：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.ingicare.algo</groupId>
<artifactId>packdiff-core</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>algo</name>
<description>Algorithm project</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.4.RELEASE</version>
<relativePath/>
<!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<javax.inject.version>1</javax.inject.version>
<spring-cloud.version>Brixton.SR1</spring-cloud.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<docker.image.prefix>ingicare</docker.image.prefix>
<dockerfile-maven-plugin.version>1.3.6</dockerfile-maven-plugin.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web-services</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!-- swagger 2 plus ui-->
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>2.8.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.openpnp</groupId>
<artifactId>opencv</artifactId>
<version>3.2.0-0</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox</artifactId>
<version>2.0.12</version>
</dependency>
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox-tools</artifactId>
<version>2.0.12</version>
</dependency>
</dependencies>
<build>
<defaultGoal>spring-boot:run</defaultGoal>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>${maven-resources-plugin.version}</version>
<executions>
<execution>
<id>default-resources</id>
<phase>validate</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>target/classes</outputDirectory>
<useDefaultDelimiters>false</useDefaultDelimiters>
<delimiters>
<delimiter>#</delimiter>
</delimiters>
<resources>
<resource>
<directory>src/main/resources/</directory>
<filtering>true</filtering>
<includes>
<include>**/*.xml</include>
<include>**/*.yml</include>
</includes>
</resource>
<resource>
<directory>src/main/resources/</directory>
<filtering>false</filtering>
<excludes>
<exclude>**/*.xml</exclude>
<exclude>**/*.yml</exclude>
</excludes>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.spotify</groupId>
<artifactId>dockerfile-maven-plugin</artifactId>
<version>${dockerfile-maven-plugin.version}</version>
<configuration>
<repository>${docker.image.prefix}/${project.artifactId}</repository>
<buildArgs>
<JAR_FILE>target/${project.build.finalName}.war</JAR_FILE>
</buildArgs>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>local</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<warSourceDirectory>src/main/webapp/</warSourceDirectory>
<packagingExcludes>WEB-INF/lib/tomcat-*.jar</packagingExcludes>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<!-- log configuration -->
<logback.loglevel>DEBUG</logback.loglevel>
<!-- default Spring profiles -->
<spring.profiles.active>local</spring.profiles.active>
</properties>
</profile>
</profiles>
</project>
编辑：
这是我的问题：
1）如果“本地”配置文件构建也存在于主构建生命周期中，那么它们是否会覆盖插件？我的猜测是，如果选择了
2）主构建是“本地”配置文件构建和主构建生命周期的组合吗？
3）我注意到某些插件未定义阶段或目标。意思是不是 有一个默认的（特定于插件）由Maven选择？我的猜测是