feat: add Vue 3 admin frontend and integrate with backend like mediabot

par-api/Dockerfile

@@ -1,8 +1,17 @@
-# PAR Server - 纯 Java Docker 镜像
-# Phase 1: 最小可用版本
+# PAR Server - 前后端一体化 Docker 镜像
+# 参考 mediabot 的多阶段构建方式
 
-# 构建阶段
-FROM eclipse-temurin:21-jdk-alpine AS builder
+# 第一阶段：构建前端
+FROM 192.168.31.253/library/node:22-alpine AS web-builder
+
+WORKDIR /app
+COPY web/package.json web/package-lock.json ./
+RUN npm ci --ignore-scripts
+COPY web/ .
+RUN npm run build
+
+# 第二阶段：构建后端
+FROM eclipse-temurin:21-jdk-alpine AS server-builder
 
 WORKDIR /build
 
@@ -13,21 +22,22 @@ COPY par-core/pom.xml par-core/
 COPY par-api/pom.xml par-api/
 
 # 下载依赖（缓存层）
-RUN --mount=type=cache,target=/root/.m2 \
-    ./mvnw dependency:go-offline -B 2>/dev/null || \
-    (apk add --no-cache maven && mvn dependency:go-offline -B)
+RUN apk add --no-cache maven && \
+    mvn dependency:go-offline -B
 
 # 复制源码并构建
 COPY par-common/src par-common/src
 COPY par-core/src par-core/src
 COPY par-api/src par-api/src
 
-RUN apk add --no-cache maven && \
-    mvn clean package -DskipTests -B && \
+# 将前端构建产物复制到后端静态资源目录
+COPY --from=web-builder /app/dist par-api/src/main/resources/static
+
+RUN mvn clean package -DskipTests -B && \
     mkdir -p target && \
     cp par-api/target/*.jar target/app.jar
 
-# 运行阶段
+# 第三阶段：运行
 FROM eclipse-temurin:21-jre-alpine
 
 LABEL maintainer="PAR Team"
@@ -42,7 +52,7 @@ WORKDIR /app
 RUN mkdir -p /app/static/configs && chown -R par:par /app
 
 # 复制构建产物
-COPY --from=builder /build/target/app.jar app.jar
+COPY --from=server-builder /build/target/app.jar app.jar
 
 USER par