nginxでリバースプロキシを設定する時のnginx.confなど

nginx.conf

user  nginx;
worker_processes  6;
worker_rlimit_nofile 4096;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
    use epoll;
}


http {
    include       /etc/nginx/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  /var/log/nginx/access.log  main;

    server_tokens   off;
    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  5;
    if_modified_since before;

    client_max_body_size    8M;
    client_body_buffer_size 256k;
    
    gzip              on;
    gzip_http_version 1.0;
    gzip_vary         on;
    gzip_comp_level   6;
    gzip_types        text/plain text/xml text/css application/xhtml+xml application/xml application/rss+xml application/atom_xml application/javascript application/x-javascript application/x-httpd-php;
    gzip_disable      "MSIE [1-6]\.";

    include /etc/nginx/conf.d/default.conf;

    proxy_cache_path    /var/cache/nginx levels=1:2 keys_zone=cache1:4m max_size=50m inactive=120m;
    proxy_temp_path     /var/tmp/nginx;
    proxy_buffers 8 64k;
    proxy_buffer_size 64k;
    proxy_cache_key     "$scheme://$host$request_uri";
    proxy_set_header    Host                   $host;
    proxy_set_header    X-Real-IP              $remote_addr;
    proxy_set_header    X-Forwarded-Host       $host;
    proxy_set_header    X-Forwarded-Server     $host;
    proxy_set_header    X-Forwarded-For        $proxy_add_x_forwarded_for;
    proxy_connect_timeout 10;
    proxy_send_timeout 10;
    proxy_read_timeout 90;
    proxy_cache_use_stale timeout invalid_header http_500 http_502 http_503 http_504;
    proxy_cache_lock on;
    proxy_cache_lock_timeout 5s;
}