先得到原有的nginx信息

nginx -V

下载nginx并解压

wget http://nginx.org/download/nginx-1.10.3.tar.gz
tar -zxvf nginx-1.10.3.tar.gz

编辑覆盖src/http/modules/ngx_http_image_filter_module.c

./configure 上一步nginx-v 的配置信息
make

编译后的/objs/nginx,/objs/modules/ngx_http_image_filter_module.so替换掉原目录的文件

conf配置信息

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;

load_module "modules/ngx_http_image_filter_module.so";

events {
    worker_connections  1024;
}

http {
    include       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  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

  map $host $static_img {
    default /home/htdocs;
  }
  server {
    # Internal image resizing server.
    server_name localhost;
    listen 8888;

    location ~ "^/resize/(?<width>\d+)/(?<image>.+)$" {
      alias $static_img/$image;
      image_filter resize $width -;
      image_filter_jpeg_quality 75;
      image_filter_buffer 8M;
    }
    location ~ "^/crop/(?<width>\d+)/(?<image>.+)$" {
      alias $static_img/$image;
      image_filter crop $width -;
      image_filter_jpeg_quality 75;
      image_filter_buffer 8M;
      image_filter_crop_offset right top;
    }
  }

  proxy_cache_path /home/nginx-1.17.4/temp/images-cache/ levels=1:2 keys_zone=images:10m inactive=24h max_size=100m;
  
    server {
        listen       84;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
    location ~ "^/resize/(?<width>(768|1920))/(?<image>.+)$" {
      # Proxy to internal image resizing server.
      proxy_pass http://localhost:8888/resize/$width/$image;
      proxy_cache images;
      proxy_cache_valid 200 24h;
    }
    location ~ "^/crop/(?<width>(768|1920))/(?<image>.+)$" {
      # Proxy to internal image resizing server.
      proxy_pass http://localhost:8888/crop/$width/$image;
      proxy_cache images;
      proxy_cache_valid 200 24h;
    }
    
        location / {
            root   $static_img;
        }

        #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   html;
        }

        # 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 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$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;
        #}
    }

    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}

sudo nginx -s reload