postgres.nomad.hcl

# There can only be a single job definition per file.
# Create a job with ID and Name 'example'
job "postgres" {
  datacenters = ["hetzner"]
  constraint {
    attribute = "${attr.kernel.name}"
    value     = "linux"
  }

  update {
    stagger      = "10s"
    max_parallel = 1
  }

  group "database" {
    network {
      #mode = "host"
      port "db" {
        static = 5432
      }
    }
    restart {
      attempts = 2
      interval = "1m"
      delay    = "10s"
      mode     = "fail"
    }
    ephemeral_disk {
      migrate = true
      #	size    = "200"
      sticky = true
    }
    # volume "postgres" {
    #  type            = "csi"
    #  read_only       = false
    #  source          = "postgres-data"
    #  access_mode     = "multi-node-multi-writer"
    #  attachment_mode = "file-system"
    #}

    task "postgres" {
      driver = "docker"

      #volume_mount {
      #  volume      = "postgres"
      #  destination = "/var/lib/postgresql/data"
      #  read_only   = false
      #}
      config {
        hostname     = "postgres"
        image        = "postgres:12"
        ports        = ["db"]
        network_mode = "host"
        #args = [
        #  "--user 1000:1000"
        #]
        #volumes = [ "/nfs/postgres:/var/lib/postgresql/data" ]
      }

      service {
        name = "${TASKGROUP}-postgres"
        tags = [
          "global",
          "database",
        ]
        port = "db"
        check {
          name     = "alive"
          type     = "tcp"
          interval = "10s"
          timeout  = "2s"
        }
      }
      env {
        PGDATA            = "/local/pgdata"
        POSTGRES_PASSWORD = "druidpassword"
        POSTGRES_USER     = "druid"
        POSTGRES_DB       = "druid"
      }

      resources {
        cpu    = 200 # 500 MHz
        memory = 256 # 256MB
      }
    }
  }
}