nginx 代理 coredns dns 服务

version: "3"
services: 
  lb: 
    image: openresty/openresty:alpine
    networks:
     service1_net:
      ipv4_address: 192.168.1.2
    volumes:
    - "./nginx-lb.conf:/usr/local/openresty/nginx/conf/nginx.conf"
    - "./dns.log:/var/log/nginx/dns.log"
    ports:
    - "53:53/udp"
    - "80:80"
    - "53:53/tcp"
  consul:
    image: consul
    networks:
     service1_net:
      ipv4_address: 192.168.1.3
    ports:
    - "8500:8500"
  coredns:
    image: coredns/coredns:1.7.0
    networks:
     service1_net:
      ipv4_address: 192.168.1.4
    volumes: 
    - "./Corefile:/opt/Corefile"
    command: -conf /opt/Corefile
networks:
  service1_net:
    ipam:
      driver: default
      config:
        - subnet: 192.168.1.0/16

worker_processes  1;
user root;  
events {
    worker_connections  1024;
}
# nginx dns server proxy
stream {
     upstream dns_servers {
        server 192.168.1.4:53;
    }
    server {
        listen 53  udp;
        listen 53; #tcp
        proxy_pass dns_servers;
        error_log  /var/log/nginx/dns.log info;
    }
}
?
http {
    include       mime.types;
    default_type text/html;
    gzip  on;
    resolver 127.0.0.1 ipv6=off valid=30s;          
    real_ip_header     X-Forwarded-For;
    real_ip_recursive on;
    server {
        listen       80;
        charset utf-8;
        default_type text/html;
       #  基于nginx 代理的nginx 请求内容
        location / {
            index index.html;
            default_type text/html;
            set $kuaidi100 "www.kuaidi100.com";
            proxy_pass https://$kuaidi100;
            proxy_redirect off;
            proxy_set_header Bloom-Request-Shard 1;
            proxy_read_timeout 10000;
            proxy_send_timeout 10000;
            proxy_buffer_size 1M; 
            proxy_buffers 8 1M; 
            proxy_busy_buffers_size 1M; 
            proxy_temp_file_write_size 1M;
            proxy_set_header   Host $kuaidi100;
            proxy_set_header   X-Real-IP $remote_addr;
            proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header   X-Forwarded-Host $server_name;
            proxy_set_header   X-Forwarded-Proto $scheme;
        }
    }
}

dalongrong.com:53 {
    log
    health
    rewrite stop {
        name regex (.*)-(dc1)\.dalongrong\.com {1}.service.{2}.consul
        answer name (.*)\.service\.(dc1)\.consul {1}-{2}.dalongrong.com
    }
    forward  . 192.168.1.3:8600
}
?
.:53 {
   log
   health
   cache 30
   loadbalance round_robin
   forward  . 8.8.8.8 8.8.4.4 114.114.114.114
}

docker-compose u -d

curl -X PUT -d ‘{"ID": "openresty","Name": "openresty","Address": "192.168.1.2","Port": 80}‘ http://127.0.0.1:8500/v1/agent/service/register

dig @127.0.0.1 openresty-dc1.dalongrong.com