这样做优化，实现 0.059s 启动一个SpringBoot项目！

> 基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 用户小程序，支持 RBAC 动态权限、多租户、数据权限、工作流、三方登录、支付、短信、商城等功能
>
> * 项目地址：<https://gitee.com/zhijiantianya/ruoyi-vue-pro>
> * 视频教程：<https://doc.iocoder.cn/video/>
# JVM初始分配的内存由-Xms指定，默认是物理内存的1/64
-Xms128m
> 基于 Spring Cloud Alibaba + Gateway + Nacos + RocketMQ + Vue & Element 实现的后台管理系统 + 用户小程序，支持 RBAC 动态权限、多租户、数据权限、工作流、三方登录、支付、短信、商城等功能
>
> * 项目地址：<https://gitee.com/zhijiantianya/yudao-cloud>
> * 视频教程：<https://doc.iocoder.cn/video/>
# JVM最大分配的内存由-Xmx指定，默认是物理内存的1/4
-Xmx128m
# 规定了每个线程虚拟机栈及堆栈的大小，一般情况下，256k是足够的，此配置将会影响此进程中并发线程数的大小。
-Xss256k
# 指定并行GC线程的数量，一般最好和CPU核心数量相当
-XX:ParallelGCThreads=2

gu install native-image

$ gu install -L native-image*

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>ltd.pcdd</groupId>
    <artifactId>spring-native</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>spring-native</name>
    <description>spring-native</description>
    <properties>
        <java.version>11</java.version>
        <repackage.classifier/>
        <spring-native.version>0.11.1</spring-native.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.experimental</groupId>
            <artifactId>spring-native</artifactId>
            <version>${spring-native.version}</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.experimental</groupId>
                <artifactId>spring-aot-maven-plugin</artifactId>
                <version>0.11.1</version>
                <executions>
                    <execution>
                        <id>generate</id>
                        <goals>
                            <goal>generate</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
            <!--Spring Boot 2.3发布后带来了新特性之一就是对构建镜像的便捷支持-->
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <image>
                        <builder>paketobuildpacks/builder:tiny</builder>
                        <env>
                            <BP_NATIVE_IMAGE>true</BP_NATIVE_IMAGE>
                        </env>
                    </image>
                </configuration>
            </plugin>
        </plugins>
    </build>
    <repositories>
        <repository>
            <id>spring-release</id>
            <name>Spring release</name>
            <url>https://repo.spring.io/release</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-release</id>
            <name>Spring release</name>
            <url>https://repo.spring.io/release</url>
        </pluginRepository>
    </pluginRepositories>
</project>

<image>
 <builder>paketobuildpacks/builder:tiny</builder>
 <env>
  <BP_NATIVE_IMAGE>true</BP_NATIVE_IMAGE>
  <BPE_DELIM_JAVA_TOOL_OPTIONS xml:space="preserve"> </BPE_DELIM_JAVA_TOOL_OPTIONS>
  <BPE_APPEND_JAVA_TOOL_OPTIONS>-Xms128m</BPE_APPEND_JAVA_TOOL_OPTIONS>
  <BPE_APPEND_JAVA_TOOL_OPTIONS>-Xmx128m</BPE_APPEND_JAVA_TOOL_OPTIONS>
  <BPE_APPEND_JAVA_TOOL_OPTIONS>-Xss256k</BPE_APPEND_JAVA_TOOL_OPTIONS>
  <BPE_APPEND_JAVA_TOOL_OPTIONS>-XX:ParallelGCThreads=2</BPE_APPEND_JAVA_TOOL_OPTIONS>
  <BPE_APPEND_JAVA_TOOL_OPTIONS>-XX:+PrintGCDetails</BPE_APPEND_JAVA_TOOL_OPTIONS>
 </env>
</image>

mvn clean
mvn '-Dmaven.test.skip=true' spring-boot:build-image