CentOS安装、配置Nginx反向代理

• 添加Nginx存储库　　sudo yum install epel-release
• 安装Nginx　　sudo yum install nginx
• 启动Nginx　　sudo systemctl start nginx
• 如果正在运行防火墙，运行以下命令以允许HTTP和HTTPS通信

sudo firewall-cmd --permanent --zone=public --add-service=http 
sudo firewall-cmd --permanent --zone=public --add-service=https
sudo firewall-cmd --reload

• 在系统启动时启用Nginx    sudo systemctl enable nginx
• 配置Nginx　　 '/etc/nginx/nginx.conf'

 server {
    listen        80;//监听端口号
    server_name   example.com *.example.com;
    location / {
            proxy_pass         http://localhost:5000;//转发到
            proxy_http_version 1.1;
            proxy_set_header   Upgrade $http_upgrade;
            proxy_set_header   Connection keep-alive;
            proxy_set_header   Host $http_host;
            proxy_cache_bypass $http_upgrade;
    }
}