4.28第一次提交

Dockerfile

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+# 构建阶段：Maven + JDK17 打包
+FROM maven:3.8.8-openjdk-17-slim AS builder
+WORKDIR /app
+COPY pom.xml .
+COPY src ./src
+RUN mvn clean package -DskipTests
+
+# 运行阶段：轻量 JRE17 镜像
+FROM eclipse-temurin:17-jre-alpine
+# 设置上海时区（和你Python代码时间一致）
+RUN apk add --no-cache tzdata && \
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai" > /etc/timezone
+
+WORKDIR /app
+# 复制打好的jar
+COPY --from=builder /app/target/*.jar app.jar
+
+EXPOSE 8080
+#ENTRYPOINT ["java", "-jar", "app.jar"]
+
+CMD ["java", \
+"--add-opens", "java.base/java.nio=ALL-UNNAMED", \
+"--add-opens", "java.base/sun.misc=ALL-UNNAMED", \
+"-Dio.netty.tryUnsafe=false", \
+"-jar", "app.jar"]