nsd-task.nomad

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

  group "cache" {
    network {
      port "db" {
        to = 6379
      }
    }

    task "redis" {
      driver = "docker"

      config {
        image = "redis:3.2"

        ports = ["db"]
      }

      service {
        provider = "nomad"
        port     = "db"
      }

      resources {
        cpu    = 500
        memory = 256
      }
    }
  }
}

nsd.nomad

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

  update { max_parallel = 0 }

  group "logger" {
    task "logger" {
      driver = "docker"
      config {
        image   = "redis:3.2"
        command = "/bin/sh"
        args    = ["-c", "cat /local/out && sleep 9000"]
      }

      template {
        data        = <<EOF
Services:
{{ range nomadService "example-cache" }}
--> {{ .Address }}:{{ .Port }}
{{ end }}
The End
EOF
        destination = "local/out"
      }
    }
  }

  group "cache" {
    count = 2
    network {
      port "db" {
        to = 6379
      }
    }

    service {
      port     = "db"
      provider = "nomad"
    }

    task "redis" {
      driver = "docker"

      config {
        image = "redis:3.2"
        ports = ["db"]
      }

      resources {
        cpu    = 500
        memory = 256
      }
    }
  }
}