FROM alibabadragonwell/dragonwell:21

# Gradle版本作为构建参数
ARG GRADLE_VERSION=8.5
ENV GRADLE_VERSION=${GRADLE_VERSION}
ENV GRADLE_HOME=/opt/gradle
ENV PATH=$PATH:$GRADLE_HOME/bin
ENV JAVA_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseWisp2 -XX:+UseElasticHeap"
ENV GRADLE_OPTS="-Xmx2g -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0"

# 安装必要工具
RUN microdnf update && \
    microdnf install -y wget unzip && \
    microdnf clean all

# 下载并安装Gradle (使用变量)
RUN wget -q https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip -P /tmp && \
    unzip -q /tmp/gradle-${GRADLE_VERSION}-bin.zip -d /opt && \
    mv /opt/gradle-${GRADLE_VERSION} $GRADLE_HOME && \
    rm /tmp/gradle-${GRADLE_VERSION}-bin.zip

# 创建gradle用户和目录
RUN groupadd -r gradle && useradd -r -g gradle gradle && \
    mkdir -p /home/gradle/.gradle && \
    chown -R gradle:gradle /home/gradle

# 复制Gradle配置文件到正确位置
COPY config/gradle-init.gradle /home/gradle/.gradle/init.gradle
COPY config/gradle.properties /home/gradle/.gradle/gradle.properties

# 确保文件权限正确
RUN chown -R gradle:gradle /home/gradle/.gradle

# 设置工作目录
WORKDIR /workspace

# 预热Gradle (可选)
COPY config/sample-build.gradle.kts /tmp/build.gradle.kts
RUN cd /tmp && \
    gradle --version && \
    gradle help --no-daemon && \
    rm -rf /tmp/*

# 切换到gradle用户
USER gradle

# 验证安装
RUN java -version && gradle --version

# 默认命令
CMD ["gradle", "--version"]