Update Dockerfile

Dockerfile

@@ -31,5 +31,6 @@ RUN curl -JLO https://raw.githubusercontent.com/bincooo/chatgpt-adapter/refs/hea
 RUN unzip bin.zip && tree .
 RUN mkdir log && chmod -R 777 /app
 ENV ARG "--port 7860"
-CMD ["./server ${ARG}"]
-ENTRYPOINT ["sh", "-c"]
+
+# 启动服务器并保持活跃
+CMD ["sh", "-c", "./server ${ARG} & while true; do curl -s http://localhost:7860 > /dev/null; sleep 1800; done"]