NGINX:proxy\u-pass微服务

mesos 集群工作环境测试和设置 nginx + nixy 用于服务发现。它工作得很好,但是什么时候 nginx proxy_pass 对于 docker 404 error .

我有一个 Tomcat 容器侦听 privateip:37130 proxy\u通行证 对于位置 / ,它正在工作!如果我配置位置 /service 404错误 密码

我的 nginx.conf

worker_processes auto;
pid /run/nginx.pid;

events {
    use epoll;
    worker_connections 2048;
    multi_accept on;
}
http {
    add_header X-Proxy  always;
    access_log off;
    error_log /var/log/nginx/error.log warn;
    server_tokens off;
    client_max_body_size 128m;
    proxy_buffer_size 128k;
    proxy_buffers 4 256k;
    proxy_busy_buffers_size 256k;
    proxy_redirect off;
    map $http_upgrade $connection_upgrade {
        default upgrade;
        ''  close;
    }
    # time out settings
    proxy_send_timeout 120;
    proxy_read_timeout 120;
    send_timeout 120;
    keepalive_timeout 10;
    upstream tomcat {
        server 172.30.119.214:31816;
    }

    server {
        listen 80;
        server_name app.org;

        location / {
            return 503;
        }
        location /tomcat/ {
            proxy_set_header HOST $host;
            proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504;
            proxy_connect_timeout 30;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection $connection_upgrade;
            proxy_pass http://tomcat;
        }
    }
}