cd /usr/local/src #进入用户目录
wget http://nginx.org/download/nginx-1.15.0.tar.gz #下载最新版本nginx
tar -zxvf nginx-1.15.0.tar.gz #解压
cd nginx-1.15.0	#进入目录
./configure --prefix=/opt/nginx --with-http_stub_status_module --with-http_ssl_module --with-pcre --with-http_realip_module --with-http_image_filter_module #检测
说明--prefix 指定安装目录
make #编译
make install #安装

#vim /lib/systemd/system/nginx.service
[Unit]
Description=nginx
After=network.target
[Service]
Type=forking
ExecStart=/opt/nginx/sbin/nginx
ExecReload=/opt/nginx/sbin/nginx -s reload
ExecStop=/opt/nginx/sbin/nginx -s stop
PrivateTmp=true
[Install]

WantedBy=multi-user.target
#chmod 754 /lib/systemd/system/nginx.service
#systemctl start nginx.service
#systemctl enable nginx.service

upstream hello{
   server 127.0.0.1:3000;
}
server {
　　listen 80;
　　server_name ssl.22.cn;
　　rewrite ^(.*)$ https://$host$1 permanent; #http强制跳转https
　　#charset koi8-r;

　　#access_log logs/host.access.log main;

　　location / {
　　　　proxy_pass http://hello; #代理
　　}
}
# HTTPS server
server {
　　listen 443 ssl;
　　server_name ssl.22.cn;
　　ssl_certificate key/ssl.22.cn_ssl.crt; #证书
　　ssl_certificate_key key/ssl.22.cn_ssl.key; #私钥
　　ssl_session_cache shared:SSL:1m;
　　ssl_session_timeout 5m;
　　ssl_ciphers HIGH:!aNULL:!MD5;
　　ssl_prefer_server_ciphers on;
　　location / {
　　　　proxy_pass http://hello;
　　}
}