job "postgres-upgrade" {


  datacenters = ["dc1"]
  region      = "global"




  type = "batch"

  meta {
    # Force job to be different for each execution
    run_uuid = "${uuidv4()}"
  }

  group "upgrade" {

    volume "data" {
      type            = "csi"
      source          = "postgres-data"
      access_mode     = "single-node-writer"
      attachment_mode = "file-system"
      per_alloc       = true
    }


    task "postgres-upgrade" {
      driver = "docker"

      config {
        image           = "danielberteaud/pg-major-upgrade:latest"
        readonly_rootfs = true
      }

      env {
        PG_FROM       = ""
        PG_TO         = ""
        PG_DO_UPGRADE = false
      }



      # Use a template block instead of env {} so we can fetch values from vault
      template {
        data        = <<_EOT
LANG=fr_FR.utf8
TZ=Europe/Paris
_EOT
        destination = "secrets/.env"
        perms       = 400
        env         = true
      }


      volume_mount {
        volume      = "data"
        destination = "/data"
      }


      resources {
        cpu    = 1000
        memory = 1024
      }

    }
  }
}