# MangTool 前后端单容器构建
# 阶段1：构建前端
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend

COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci --ignore-scripts

COPY frontend/ ./
# 生产环境使用相对路径，与后端同源
ENV VITE_API_BASE_URL=
RUN npm run build

# 阶段2：构建后端（含前端静态资源）
FROM maven:3.8-eclipse-temurin-8-alpine AS backend-builder
WORKDIR /app

# 配置 Maven 使用阿里云镜像（加速下载，解决网络问题）
RUN mkdir -p /root/.m2 && \
    cat > /root/.m2/settings.xml << 'EOF'
<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <mirrors>
    <mirror>
      <id>aliyunmaven</id>
      <mirrorOf>central</mirrorOf>
      <name>阿里云公共仓库</name>
      <url>https://maven.aliyun.com/repository/public</url>
    </mirror>
  </mirrors>
</settings>
EOF

# 复制后端源码
COPY backend/pom.xml ./
# 验证并下载依赖（如果失败会自动重试）
RUN mvn dependency:resolve -B -s /root/.m2/settings.xml || \
    (echo "依赖下载失败，重试中..." && sleep 2 && mvn dependency:resolve -B -s /root/.m2/settings.xml)

COPY backend/ ./
# 从阶段1 复制前端构建产物到 Spring Boot 静态目录
COPY --from=frontend-builder /app/frontend/dist ./src/main/resources/static

# 构建项目（跳过测试）
RUN mvn clean package -DskipTests -B -s /root/.m2/settings.xml

# 阶段3：运行镜像
FROM eclipse-temurin:8-jre-alpine
WORKDIR /app

RUN apk add --no-cache tzdata wget \
    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
    && echo "Asia/Shanghai" > /etc/timezone

COPY --from=backend-builder /app/target/*.jar app.jar

EXPOSE 8080

# 健康检查
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD wget --quiet --tries=1 --spider http://localhost:8080/api/health || exit 1

ENTRYPOINT ["java", "-jar", "app.jar"]