feat: 初始化 SpringBoot + 前端全栈博客项目

backend/Dockerfile

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+FROM maven:3.9-eclipse-temurin-17 AS builder
+WORKDIR /app
+COPY pom.xml .
+COPY src ./src
+RUN mvn clean package -DskipTests
+
+FROM eclipse-temurin:17-jre
+WORKDIR /app
+COPY --from=builder /app/target/*.jar app.jar
+EXPOSE 8080
+ENTRYPOINT ["java", "-jar", "app.jar"]

backend/pom.xml

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+<?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>3.2.3</version>
+        <relativePath/>
+    </parent>
+    <groupId>com.example</groupId>
+    <artifactId>my-blog-backend</artifactId>
+    <version>1.0.0</version>
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

backend/src/main/java/com/example/blog/BlogApplication.java

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+package com.example.blog;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.web.bind.annotation.*;
+import java.util.*;
+
+@SpringBootApplication
+@RestController
+@CrossOrigin(origins = "*")
+@RequestMapping("/api/posts")
+public class BlogApplication {
+
+    private static final List<Map<String, String>> posts = new ArrayList<>();
+
+    static {
+        Map<String, String> p1 = new HashMap<>();
+        p1.put("id", "1");
+        p1.put("title", "Hello World! 我的第一篇云端博客");
+        p1.put("content", "这是运行在 Google Cloud 台湾节点上的 Spring Boot 3.x 容器！");
+        p1.put("author", "旺总");
+        p1.put("date", "2026-10-22");
+        posts.add(p1);
+    }
+
+    @GetMapping
+    public List<Map<String, String>> getPosts() {
+        return posts;
+    }
+
+    @PostMapping
+    public Map<String, String> addPost(@RequestBody Map<String, String> post) {
+        post.put("id", String.valueOf(posts.size() + 1));
+        posts.add(0, post);
+        return post;
+    }
+
+    public static void main(String[] args) {
+        SpringApplication.run(BlogApplication.class, args);
+    }
+}