Proxy Network

To allow communication between services in your local cloud, you will need to create a network that all services can connect to. This network will be used to route traffic between container services and to the outside world.

src

We will call this network proxy.

docker network create proxy

tip

Do not confuse with HTTP Proxy

Once this network is created you should be able to see it in your list of networks.

docker network ls

NETWORK ID     NAME                    DRIVER    SCOPE
65fa891d8b1b   bridge                  bridge    local
c7a24debb6b9   host                    host      local
dee6c0085016   none                    null      local
b30af89e8bf0   proxy                   bridge    local

We can now refer to this network by name proxy and attach containers to it.

Docker CLI

docker run -d --name=traefik --network=proxy traefik:v2.5

Docker Compose

networks:
  proxy:
    external: true 
services:
  traefik:
    image: traefik:v2.5
    networks:
      - proxy

This will attach the container to the proxy network and allow it to communicate with other services on the network.