Consul setup (Service discovery)

What is consul?

Consul is a multi-networking tool that offers a fully-featured service mesh solution. It solves the networking and security challenges of operating microservices and cloud infrastructure in multi-cloud and hybrid cloud environments.

Installation command

  • Create a VM with the previously given steps of creation of a VM and run the command with docker image of consul ( Example: hashicorp/consul ) in the VM.

sudo docker run -itd -p 8500:8500 -p 8600:8600/udp --name=consul hashicorp/consul agent -server -ui -node=server-1 -bootstrap-expect=1 -client=0.0.0.0

Configuring consul in container apps

  • While creating the container apps for the services, add the consul in environment variables for each service individually as given in page Container apps creation.

Consul environment variable

  • After adding the consul in environment variables the configuration for it is completed.

Accessing consul

  • Access the consul using its host port number and host server IP address.

  • Go to consul URL Consul URL.

  • After entering the URL, the consul health status of the microservices can be seen in the Services tab.

Consul