nginx 配置哪里出错了 ?

整了台机子，搭建 NAS，其中 nextcloud 卡在 lnmp 的配置上

centos 8 全套 dnf 安装
输入 ip,页面就是 File not found.
参考了搜索结果，感觉没问题啊


#定义 Nginx 运行的用户和用户组
user nginx nginx;

#nginx 进程数，建议设置为等于 CPU 总核心数
worker_processes 1;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

# 进程 Pid 文件
#pid /var/run/nginx/nginx.pid;


events {
use epoll;
worker_connections 1024;
}


http {
include mime.types;
default_type application/octet-stream;

#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';

#access_log logs/access.log main;

sendfile on;
#tcp_nopush on;

#keepalive_timeout 0;
keepalive_timeout 65;

#gzip on;

server {
listen 80;
server_name localhost;
root /var/www/nextcloud;
index index.html index.htm;
charset utf-8;

#access_log logs/host.access.log main;

# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ \.php$ {
fastcgi_pass unix:/run/php-fpm/www.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
}