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Jerremiz
reservation-java
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# 阶段1: Maven构建和JRE构建
FROM eclipse-temurin:17-jdk-noble AS builder
WORKDIR /build
# 拷贝 wrapper 脚本和配置
COPY mvnw .
COPY .mvn .mvn
# 拷贝 pom 和源码
COPY pom.xml .
COPY src src
# 安装 unzip 工具
RUN apt update && apt install -y unzip
# 添加执行权限
RUN chmod +x mvnw
RUN ./mvnw dependency:go-offline
RUN ./mvnw clean package -DskipTests
# JRE构建
RUN jar xf /build/target/*.jar
# 使用jdeps分析所需模块
RUN jdeps \
--ignore-missing-deps \
--recursive \
--multi-release 17 \
--print-module-deps \
--class-path 'BOOT-INF/lib/*' \
/build/target/*.jar > deps.info
# 使用jlink创建最小JRE
RUN jlink \
--add-modules "$(cat deps.info)" \
--bind-services \
--strip-debug \
--compress=2 \
--no-header-files \
--no-man-pages \
--output custom-jre
# 阶段2: 运行环境
FROM debian:bookworm-slim
# 复制自定义JRE
ENV JAVA_HOME=/opt/java/jre
ENV PATH="${JAVA_HOME}/bin:${PATH}"
COPY --from=builder /build/custom-jre $JAVA_HOME
# 设置时区和语言
ENV TZ=Asia/Shanghai \
JAVA_TOOL_OPTIONS="-Dfile.encoding=UTF-8"
# 创建应用目录并设置权限
WORKDIR /app
RUN chown -R 1000:1000 /app
COPY --chown=1000:1000 --from=builder /build/target/*.jar app.jar
# 启动命令
ENTRYPOINT ["java", "-jar", "app.jar"]
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