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Hashicorp Nomad - Working with Ports

Shen Zhen, China

Ports in Nomad Job Files​

Dynamic, Mapped, Static​

job "example" {
  group "example-group" {
    network {
      # Dynamic ports
      port "foo" {}
      port "bar" {}
      # Mapped ports
      port "http"  { to = 80 }
      port "https" { to = 443 }
      # Static ports
      port "lb" { static = 8080 }
    }

    task "task-1" {
      driver = "docker"
      config {

        ...
 
        ports = [
          "foo",
          "http",
        ]
      }
    }

    task "task-2" {
      driver = "docker"
      config {

        ...
 
        ports = [
          "bar",
          "https",
        ]
      }
    }

    task "task-3" {
      driver = "docker"
      config {

        ...
 
        ports = [
          "lb",
        ]
      }
    }
  }
}