Update Dockerfile

Dockerfile

@@ -8,9 +8,8 @@ EXPOSE 8080
 COPY --from=cloudflare/cloudflared:latest /usr/local/bin/cloudflared /usr/local/bin/cloudflared
 
 # 环境变量配置，指向 Cloudflare 中的 SEARXNG_BASE_URL
-ENV SEARXNG_BASE_URL=https://localhost:8080
-# 设置端口
-ENV SEARXNG_PORT=8080
+ENV SEARXNG_BASE_URL=https://${SEARXNG_HOSTNAME:-localhost}/
+
 
 # 创建 Searxng 配置目录并设置权限
 RUN mkdir /etc/searxng && chmod 777 /etc/searxng