Simple job to demonstrate Nomad tasks sharing namespace network

nomad-tasks-namespace.hcl

job "http_servers" {
  datacenters = ["dc1"]

  group "group" {
    network {
      mode = "bridge"
      port "taskA" {
        static = 6000
      }
      port "taskB" {
        static = 7000
      }
    }

    task "taskA" {
      driver = "docker"

      config {
        image   = "python:3.11"
        command = "python"
        args    = ["-m", "http.server", "${NOMAD_PORT_taskA}"]
      }
    }

    task "taskB" {
      driver = "docker"

      config {
        image   = "python:3.11"
        command = "python"
        args    = ["-m", "http.server", "${NOMAD_PORT_taskB}"]
      }
    }
  }
}