显式配置端口

docker-compose.yml

@@ -5,7 +5,9 @@ services:
     image: pycaptcha:latest
     volumes:
       - /mnt/pycaptcha:/mnt
-    network_mode: "host"
+#    network_mode: "host"
+    ports:
+      - "2119:2119"
     restart: always
     ulimits:
       core: 0  # 禁止生成core文件