nginx: [emerg] "proxy" directive is not allowed here

I installed PHP and Nginx webserver on OpenBSD 6.0. When I want to restart the webserver, I face an error:

nginx: [emerg] "proxy" directive is not allowed here in /etc/nginx/nginx.conf:76

---

where is the problem?

my nginx.conf :

#user  www;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
#error_log  syslog:server=unix:/dev/log,severity=notice;

#pid        logs/nginx.pid;

worker_rlimit_nofile 1024;
events {
worker_connections  800;
}


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

#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;
#access_log  syslog:server=unix:/dev/log,severity=notice main;

#tcp_nopush     on;

#keepalive_timeout  0;
keepalive_timeout  65;

#gzip  on;

server_tokens off;

server {
    listen       80;
    listen       [::]:80;
    server_name  localhost;
    root         /var/www/htdocs;

    #charset koi8-r;

    #access_log  logs/host.access.log  main;

    #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  /var/www/htdocs;
    }

    # FastCGI to CGI wrapper server
    #
    #location /cgi-bin/ {
    #    fastcgi_pass   unix:run/slowcgi.sock;
    #    fastcgi_split_path_info ^(/cgi-bin/[^/]+)(.*);
    #    fastcgi_param  PATH_INFO $fastcgi_path_info;
    #    include        fastcgi_params;
    #}

     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 unix socket
    #
        location ~ \.php$ {
        try_files      $uri $uri/ =404;
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;

    # fastcgi_param  SCRIPT_FILENAME $document_root$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;
    #}

}