nginx.conf for image-filter

nginx.conf

# 前半は省略

http {

  # この辺も省略
  
  server {
    listen       80;

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

    location ~ /atmos/uploaded/images/.*\.(jpg|png)$ {
      if ($query_string ~ .*=.*) {
        rewrite ^/atmos/uploaded/images/(.*\.(jpg|png))$ /atmos/uploaded/image_filter/$1 last;
      }
    }

    location ~ ^/atmos/uploaded/image_filter/(.*\.(jpg|png))$ {
      internal;

      set $file $1;
      set $width 150;
      set $height 150;
      set $quality 75;

      if ($arg_width ~ (\d*)) {
        set $width $1;
      }
      if ($arg_height ~ (\d*)) {
        set $height $1;
      }
      if ($arg_quality ~ (100|[1-9][0-9]|[1-9])) {
        set $quality $1;
      }

      rewrite ^ /atmos/uploaded/resize last;
    }

    location /atmos/uploaded/resize {
      internal;
      rewrite ^ /atmos/uploaded/images/$file break;
      image_filter  resize  $width $height;
      image_filter_jpeg_quality $quality;
      #error_page 415 = @empty;
    }

		location /atmos/ {
      client_max_body_size 100M;
			proxy_pass	http://localhost:9999/;
		}

		location /atmos-ws/ {
			proxy_pass	http://localhost:9998/;
			proxy_http_version	1.1;
			proxy_set_header	Upgrade $http_upgrade;
			proxy_set_header	Connection "upgrade";
		}
  }
}