add log

README.md

@@ -35,7 +35,7 @@
 2. 运行镜像
 
    ```shell
-   sudo docker run -p 80:8080 -e MYSQL_URL=192.168.66.88:3306 -it registry.cn-beijing.aliyuncs.com/itning/shw_server
+   sudo docker run -p 80:8080 -e MYSQL_URL=192.168.66.1:3306 -e MYSQL_USERNAME=root -e MYSQL_PASSWORD=root -it registry.cn-beijing.aliyuncs.com/itning/shw_server:latest
    ```
 
    **其中MYSQL_URL参数值为MySql数据库服务器地址(带端口号)**

src/main/java/top/yunshu/shw/server/ShwServerApplication.java

@@ -1,5 +1,7 @@
 package top.yunshu.shw.server;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.scheduling.annotation.EnableScheduling;
@@ -15,8 +17,12 @@
 @EnableSwagger2
 @EnableScheduling
 public class ShwServerApplication {
+    private static final Logger logger = LoggerFactory.getLogger(ShwServerApplication.class);
 
     public static void main(String[] args) {
+        logger.info("MYSQL::url: " + System.getenv("MYSQL_URL"));
+        logger.info("MYSQL::username: " + System.getenv("MYSQL_USERNAME"));
+        logger.info("MYSQL::password: " + System.getenv("MYSQL_PASSWORD"));
         SpringApplication.run(ShwServerApplication.class, args);
     }