node.js - AWS配置nginx的反向代理不生效问题

刚买了个亚马逊服务器，安装好nginx之后，想可以通过域名访问服务器指定的端口，以访问不同的服务，亚马逊控制台设置好安全规则，

修改nginx.conf文件，设置反向代理：


#user  nobody;
worker_processes 1;

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

#pid        logs/nginx.pid;
events
{
    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;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
        location /
        {
            root html;
            index index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page 500 502 503 504 /50x.html;
        location = /50x.html
        {
            root html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}
        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }

    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;
    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;
    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;
    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;
    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

    include servers/*.conf;
}

主要是在末尾增加了include servers/*.conf;，在相应的目录下增加conf文件，名字为domainname.com.conf，文件内容：

upstream testproject
{
    server localhost:8080;
}

server
{
    listen 80;
    server_name domainname.com;

    # send request back to apache ##
    location / {
        proxy_pass http://testproject;

        #Proxy Settings
        proxy_redirect off;
        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_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
        proxy_max_temp_file_size 0;
        proxy_connect_timeout 90;
        proxy_send_timeout 90;
        proxy_read_timeout 90;
        proxy_buffer_size 4k;
        proxy_buffers 4 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;
    }
}

设置完成后，重启服务器：

sudo /path/to/nginx -s reload

访问地址domainname.com页面如下：

结果不是预期的结果，理论上应该要跳转至端口为8080的服务器的，但是却没有。请求哪位大神可以指点下？
另外我想直接通过杀死进程的方式重启，执行命令netstat -apn | grep 80，输入如下：

这是什么意思呢？如何查找到监听80端口进程的pid？

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node.js - AWS配置nginx的反向代理不生效问题

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