seafile_ynh/conf/nginx_add_webdav

location /seafdav {
        proxy_pass         http://127.0.0.1:__WEBDAV_PORT__/seafdav;
        proxy_set_header   Host $host;
        proxy_set_header   X-Real-IP $remote_addr;
        proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header   X-Forwarded-Host $server_name;
        proxy_set_header   X-Forwarded-Proto $scheme;
        proxy_read_timeout  1200s;
        client_max_body_size 0;

        access_log      /var/log/nginx/seafdav.access.log;
        error_log       /var/log/nginx/seafdav.error.log;
}