let _concerns_lib = import "schemas/lib/concerns.ncl" in

{
  PostgreSQL = {
    name     | String,
    version  | String,
    port     | Number | default = 5432,
    data_dir | String | default = "/var/lib/data/postgresql",
    databases | Array String | default = [],
    mode     | [| 'taskserv, 'cluster, 'container |] | default = 'cluster,

    postgres_version  | String | optional,
    vers_num          | Number | optional,
    run_path          | String | optional,
    lib_path          | String | optional,
    data_path         | String | optional,
    etc_path          | String | optional,
    config_file       | String | optional,
    run_user          | String | optional,
    run_group         | String | optional,
    run_user_home     | String | optional,

    namespace     | String | optional,
    image         | String | optional,
    replicas      | Number | optional,
    service_type  | [| 'ClusterIP, 'NodePort, 'LoadBalancer |] | optional,
    storage_class | String | optional,

    requires | {
      storage | { size | String, persistent | Bool } | optional,
      ports   | Array {
        port     | Number,
        protocol | String | default = "TCP",
        exposure | [| 'public, 'private, 'internal |] | default = 'internal,
      } | default = [],
      credentials | Array String | default = [],
    } | default = {},

    provides | {
      service   | String | optional,
      port      | Number | optional,
      databases | Array String | default = [],
      endpoints | Array String | default = [],
    } | default = {},

    operations | {
      install   | Bool | default = true,
      update    | Bool | default = false,
      reinstall | Bool | default = false,
      delete    | Bool | default = false,
      backup    | Bool | default = false,
      restore   | Bool | default = false,
      health    | Bool | default = false,
      config    | Bool | default = false,
      scripts   | Bool | default = false,
      restart   | Bool | default = false,
    } | default = {},

    # ServiceConcerns umbrella (ADR-008). Database — backup decided at
    # workspace level via BackupPolicy with database scope + dump_strategy.
    concerns | _concerns_lib.ServiceConcerns | optional,

    ..
  },
}