fix: nginx代理端口修正3000→3100

docker-nginx/bookapi.conf

@@ -4,7 +4,7 @@ server {
 
     # 代理所有请求到后端 server
     location / {
-        proxy_pass http://host.docker.internal:3000;
+        proxy_pass http://host.docker.internal:3100;
         proxy_http_version 1.1;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;