添加Dockerfile文件

Change-Id: Ie9d22bcceec197930d48f578d8b9a749ce7a3332
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..66b681d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,14 @@
+# 基础镜像(根据JDK版本调整)
+FROM eclipse-temurin:17-jdk-alpine
+
+# 设置工作目录
+WORKDIR /team12
+
+# 复制JAR文件到容器
+COPY target/*.jar team12.jar
+
+# 暴露端口(与Spring Boot的server.port一致)
+EXPOSE 8080
+
+# 启动命令(可添加JVM参数)
+ENTRYPOINT ["java", "-jar", "team12.jar"]
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