# —— 第一阶段：Maven 构建 ——
FROM maven:3.8.7-eclipse-temurin-17-alpine AS builder
WORKDIR /workspace

# 把项目级 settings.xml 复制到容器里
COPY .mvn/settings.xml /root/.m2/settings.xml

# 1. 先只拷贝父 POM 及各模块的 pom.xml，加速依赖下载
COPY pom.xml                            ./pom.xml
COPY ai-rag-knowledge-api/pom.xml       ./ai-rag-knowledge-api/pom.xml
COPY ai-rag-knowledge-trigger/pom.xml   ./ai-rag-knowledge-trigger/pom.xml
COPY ai-rag-knowledge-app/pom.xml       ./ai-rag-knowledge-app/pom.xml

# 离线下载所有依赖
RUN mvn dependency:go-offline -B

# 2. 只拷源码模块，不拷 data/docs
COPY ai-rag-knowledge-api       ai-rag-knowledge-api
COPY ai-rag-knowledge-trigger   ai-rag-knowledge-trigger
COPY ai-rag-knowledge-app       ai-rag-knowledge-app

# 3. 只打包 main 应用模块（连带编译它依赖的模块），跳过测试，加速构建
RUN mvn \
    -f pom.xml clean package \
    -pl ai-rag-knowledge-app -am \
    -DskipTests -B

# —— 第二阶段：运行时镜像 ——
FROM openjdk:17-jdk-slim
LABEL maintainer="smile"

# 可选：设置时区
ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

# 把构建产物拷过来
COPY --from=builder \
     /workspace/ai-rag-knowledge-app/target/ai-rag-knowledge-app.jar \
     app.jar

# 暴露端口，按需改
EXPOSE 8095

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