# Example PostgreSQL job file: https://github.com/GuyBarros/nomad_jobs/blob/master/postgresSQL.nomad

job "postgres" {
  datacenters = ["dc1"]
  type        = "service"

  group "postgres" {
    count = 1

    volume "postgres-data" {
      type      = "host"
      read_only = false
      source    = "postgres-data"
    }

    network {
      port "db" { static = 5432 }
    }

    service {
      name = "postgres"
      port = "db"

      check {
        name     = "alive"
        type     = "tcp"
        interval = "10s"
        timeout  = "2s"
      }
    }

    task "postgres" {
      driver = "docker"

      config {
        ports = ["db"]
        image = "postgres"
      }

      volume_mount {
        volume      = "postgres-data"
        destination = "/var/lib/postgresql/data"
        read_only   = false
      }

      template {
        # Consul Template only works in template stanza.
        # We need it to fetch secret values from Consul.
        # The "env = true" parameter sets the environment with the data.
        # "destination" key is required but its value doesn't matter.
        data = <<EOH
POSTGRES_USER     = "{{ key "secrets/postgres/user" }}"
POSTGRES_PASSWORD = "{{ key "secrets/postgres/password" }}"
EOH

        destination = "secrets/env"
        env         = true
        change_mode = "restart"
      }

      env {
        PGDATA = "/var/lib/postgresql/data"
      }
    }

      # resources {
      #   # cpu = 1000
      #   # memory = 1024
      #   network {
      #     # mbits = 10
      #     port "db"  {
      #       static = 5432
      #     }
      #   }
      # }

  }
}