添加 Dockerfile

Dockerfile

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+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"]