dify 默认端口被占用，更改端口号

sudo docker compose -p dify up -d

在Ubuntu服务器上部署dify平台时，遇到以下错误：

Error response from daemon: driver failed programming external connectivity on endpoint dify-nginx-1 (a9734951328f585778afbdbed279a81ca9ccebf8b4ba97d587216f534d6e015c): Bind for 0.0.0.0:80 failed: port is already allocated

dify官方链接：langgenius/dify: Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

问题截图：

问题解决：

参考链接：FAQs | Dify

vim .env

文档修改截图

再次运行以下命令：

sudo docker compose -p dify up -d