dify/docker-legacy/nginx/proxy.conf

proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_buffering off;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;