Centralized Service Registry
Consul enables services to discover each other by storing location information (like IP addresses) in a single registry.
Service Discovery and Health Checking
Discover, Register and Resolve services for application workloads across any cloud. Automatically add and remove services based on health checking.
Features
$ dig @127.0.0.1 -p 8600 web.service.consul
; <<>> DiG 9.10.6 <<>> @127.0.0.1 -p 8600 web.service.consul SRV
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56598
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 3
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;web.service.consul. IN SRV
;; ANSWER SECTION:
web.service.consul. 0 IN SRV 1 1 80 Judiths-MBP.lan.node.dc1.consul.
;; ADDITIONAL SECTION:
Judiths-MBP.lan.node.dc1.consul. 0 IN A 127.0.0.1
Judiths-MBP.lan.node.dc1.consul. 0 IN TXT "consul-network-segment="
;; Query time: 2 msec
;; SERVER: 127.0.0.1#8600(127.0.0.1)
;; WHEN: Tue Jul 16 14:31:13 PDT 2019
;; MSG SIZE rcvd: 150
