# ============================================================
# Docker 镜像仓库加速（默认使用 docker.1ms.run 国内代理）
# 如需切换回 Docker Hub：
#   DOCKER_REGISTRY_MIRROR=docker.io/library make up
# ============================================================
ARG REGISTRY_MIRROR=docker.1ms.run/library
# 内部/开发用途，推荐通过 make fast-up 触发快速构建
ARG FAST_BUILD=false

# ============================================================
# Stage 1: 前端构建（Vue 3 + Vite）
# ============================================================
FROM ${REGISTRY_MIRROR}/node:22-alpine AS frontend-builder

WORKDIR /frontend

COPY frontend-vue/package.json frontend-vue/package-lock.json ./

RUN --mount=type=cache,target=/root/.npm npm ci

COPY frontend-vue/ ./

RUN npm run build

# ============================================================
# Stage 2: 后端构建（Maven + Java 8）
# ============================================================
FROM ${REGISTRY_MIRROR}/maven:3.9.6-eclipse-temurin-8 AS builder-base

# Maven JVM 调优：增大堆内存、启用并行
ENV MAVEN_OPTS="-Xmx2g -XX:MaxMetaspaceSize=512m -Djava.util.concurrent.ForkJoinPool.common.parallelism=4"

WORKDIR /app

# 使用阿里云 Maven 镜像加速依赖下载（避免被 /root/.m2 缓存挂载点隐藏）
COPY maven-settings.xml /app/maven-settings.xml

COPY pom.xml .

RUN --mount=type=cache,target=/root/.m2 \
    mvn -s /app/maven-settings.xml -B -DskipTests -T 1C dependency:go-offline

COPY src ./src

# 将前端构建产物注入静态资源目录（Maven 会自动打包进 jar）
# vite.config.js 中 outDir 为相对 __dirname 的路径，容器内 __dirname=/frontend
COPY --from=frontend-builder /src/main/resources/static/v2 /app/src/main/resources/static/v2

# 默认构建分支（不缓存 /app/target，执行 clean）
FROM builder-base AS builder-false
RUN --mount=type=cache,target=/root/.m2 \
    mvn -s /app/maven-settings.xml -B -DskipTests -T 1C clean package -Dskip.frontend.build=true && \
    cp /app/target/svn-log-tool-1.0.0-jar-with-dependencies.jar /app/svn-log-tool-1.0.0-jar-with-dependencies.jar

# 快速开发迭代构建分支（缓存 /app/target，不执行 clean）
FROM builder-base AS builder-true
RUN --mount=type=cache,target=/root/.m2 \
    --mount=type=cache,target=/app/target \
    mvn -s /app/maven-settings.xml -B -DskipTests -T 1C package -Dskip.frontend.build=true && \
    cp /app/target/svn-log-tool-1.0.0-jar-with-dependencies.jar /app/svn-log-tool-1.0.0-jar-with-dependencies.jar

# 根据 FAST_BUILD 的值决定最终作为 builder 的阶段
FROM builder-${FAST_BUILD} AS builder

# ============================================================
# Stage 3: 运行镜像（最小化 JRE）
# ============================================================
FROM ${REGISTRY_MIRROR}/eclipse-temurin:8-jre-alpine
WORKDIR /app

COPY --from=builder /app/svn-log-tool-1.0.0-jar-with-dependencies.jar app.jar

EXPOSE 18088

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