# 支持伪静态
rewrite ^/icon/(.*)\.png$ /icon/?url=$1;

# 反向代理配置
location /icon/
{
    proxy_pass http://127.0.0.1:8001;
	proxy_http_version                 1.1;

    ## Proxy headers
    proxy_set_header Upgrade           $http_upgrade;
    proxy_set_header Host              $host;
    proxy_set_header X-Real-IP         $remote_addr;
    proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
    proxy_set_header REMOTE-HOST       $remote_addr;
    proxy_set_header remote_addr       $remote_addr;
    proxy_set_header X-Proto           $scheme;

    ## Proxy timeouts
    proxy_connect_timeout              60s;
    proxy_send_timeout                 60s;
    proxy_read_timeout                 60s;

    # 后端返回错误时，跳转到指定url
    proxy_intercept_errors on;
    error_page 400 404 408 500 502 503 504 /favicon.png;

    add_header X-Cache $upstream_cache_status;
    add_header Access-Control-Allow-Origin *;
}