nginx 反向代理 Jenkins 插件安装源，国内源 http://mirrors.tuna.tsinghua.edu.cn/jenkins/

nginx_proxy_updates.jenkins-ci.org.conf

server {
    listen 80;
    server_name updates.jenkins-ci.org;
    server_name mirrors.jenkins-ci.org;

    # https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/
    location /download/ {
        proxy_redirect off;
        proxy_pass http://mirrors.tuna.tsinghua.edu.cn/jenkins/;
        proxy_connect_timeout 60s;
        proxy_read_timeout 5400s;
        proxy_send_timeout 5400s;

        proxy_set_header Host "mirrors.tuna.tsinghua.edu.cn";
        proxy_set_header User-Agent $http_user_agent;
        proxy_set_header Accept-Encoding "";
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        #proxy_set_header X-Real-IP $remote_addr;
        #proxy_set_header X-Forwarded-Proto https;
        #proxy_set_header Accept-Language "zh-CN";
    }

    location /update-center.json {
        proxy_redirect off;
        proxy_pass http://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/;
        proxy_connect_timeout 60s;
        proxy_read_timeout 5400s;
        proxy_send_timeout 5400s;

        proxy_set_header Host "mirrors.tuna.tsinghua.edu.cn";
        proxy_set_header User-Agent $http_user_agent;
        proxy_set_header Accept-Encoding "";
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}