Consumer installation and configuration

One 、docker install consul

• consul Official address ：github.com/hashicorp/consul
• docker Installation command ：docker run -d -p 8500:8500 -p 8300:8300 -p 8301:8301 -p 8302:8302 -p 8600:8600/udp consul consul agent -dev -client=0.0.0.0

---

Two 、web visit consul

• The default access port is 8500：http://192.168.91.129:8500/,ip The address is modified according to your own address
• 8600 The port is dns The port of ,8500 yes http The port of ： Both registration and service discovery are through 8500 port
  

---

3、 ... and 、dns visit

• Browser access process
  • The browser will visit the domain name address first dns The server parses out ip and port
  • Then use the returned ip and port To request
    
• windows Next hosts Modification of ： route -> C:\Windows\System32\drivers\etc\hosts
  • adopt hosts Modification of , You don't need to go to dns Server resolution , Direct access ip+port
  • When the browser accesses the domain name , If you find that hosts It has been parsed , It won't come again dns The server requested
• In microservices dns：consul Support dns service , For service gateway , Registry Center consul It's a dns The server
  
• linux View in consul Of dns：dig
  • If the prompt cannot be found dig command , Just use the command to install ：yum install bind-utils

• consul Of dns Run the command ：dig @192.168.91.129 -p 8600 consul.service.consul SRV
  • Each service will generate a domain name , The prefix of the domain name is the service name or service id, The domain name suffix is service.consul