开启gzip压缩和缓存

server {
    listen 80;
    server_name xxx.example.com;
    return 301 https://xxx.example.com$request_uri;
}
server {
  listen 443 ssl;
  server_name xxx.example.com;
  ssl_certificate /home/ubuntu/certs/T.example.com/public.crt;
  ssl_certificate_key /home/ubuntu/certs/T.example.com/private.key;
  root /home/ubuntu/code/iotmanagement/admin/dist;
  index index.html;
  location / {
    try_files $uri $uri/ /index.html;    #核心思想                   
  }
  gzip on;    #打开gzip压缩
  gzip_min_length 1K;    #超过1K的文件开始压缩
  gzip_comp_level    8;    #压缩级别（1-10)越大压缩率越好，但也越耗性能
  gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png font/ttf font/otf image/svg+xml;    #压缩的文件类型
  gzip_vary on;    #浏览器请求头是否开启压缩支持
  gzip_disable "MSIE [1-6]\.";    #IE1-6不压缩
  # 开启缓存
  location ~* ^.+\.(ico|gif|jpg|jpeg|png)$ { 
    access_log   off; 
    expires      30d;
  }
  location ~* ^.+\.(css|js|txt|xml|swf|wav)$ {
    access_log   off;
    expires      24h;
  }
  location ~* ^.+\.(html|htm)$ {
    expires      1h;
  }
  location ~* ^.+\.(eot|ttf|otf|woff|svg)$ {
    access_log   off;
    expires max;
  }
}