{
	"$schema": "https://json-schema.org/draft/2019-09/schema#",
	"id": "compose_spec.json",
	"type": "object",
	"title": "Compose Specification",
	"description": "The Compose file is a YAML file defining a multi-containers based application.",

	"properties": {
		"version": {
			"type": "string",
			"description": "declared for backward compatibility, ignored."
		},

		"name": {
			"type": "string",
			"description": "define the Compose project name, until user defines one explicitly."
		},

		"include": {
			"type": "array",
			"items": {
				"$ref": "#/definitions/include"
			},
			"description": "compose sub-projects to be included."
		},

		"services": {
			"id": "#/properties/services",
			"type": "object",
			"patternProperties": {
				"^[a-zA-Z0-9._-]+$": {
					"$ref": "#/definitions/service"
				}
			},
			"additionalProperties": false
		},

		"networks": {
			"id": "#/properties/networks",
			"type": "object",
			"patternProperties": {
				"^[a-zA-Z0-9._-]+$": {
					"$ref": "#/definitions/network"
				}
			}
		},

		"volumes": {
			"id": "#/properties/volumes",
			"type": "object",
			"patternProperties": {
				"^[a-zA-Z0-9._-]+$": {
					"$ref": "#/definitions/volume"
				}
			},
			"additionalProperties": false
		},

		"secrets": {
			"id": "#/properties/secrets",
			"type": "object",
			"patternProperties": {
				"^[a-zA-Z0-9._-]+$": {
					"$ref": "#/definitions/secret"
				}
			},
			"additionalProperties": false
		},

		"configs": {
			"id": "#/properties/configs",
			"type": "object",
			"patternProperties": {
				"^[a-zA-Z0-9._-]+$": {
					"$ref": "#/definitions/config"
				}
			},
			"additionalProperties": false
		}
	},

	"patternProperties": { "^x-": {} },
	"additionalProperties": false,

	"definitions": {
		"service": {
			"id": "#/definitions/service",
			"type": "object",

			"properties": {
				"develop": { "$ref": "#/definitions/development" },
				"deploy": { "$ref": "#/definitions/deployment" },
				"annotations": { "$ref": "#/definitions/list_or_dict" },
				"attach": { "type": ["boolean", "string"] },
				"build": {
					"oneOf": [
						{ "type": "string" },
						{
							"type": "object",
							"properties": {
								"context": { "type": "string" },
								"dockerfile": { "type": "string" },
								"dockerfile_inline": { "type": "string" },
								"entitlements": {
									"type": "array",
									"items": { "type": "string" }
								},
								"args": { "$ref": "#/definitions/list_or_dict" },
								"ssh": { "$ref": "#/definitions/list_or_dict" },
								"labels": { "$ref": "#/definitions/list_or_dict" },
								"cache_from": {
									"type": "array",
									"items": { "type": "string" }
								},
								"cache_to": { "type": "array", "items": { "type": "string" } },
								"no_cache": { "type": ["boolean", "string"] },
								"additional_contexts": { "$ref": "#/definitions/list_or_dict" },
								"network": { "type": "string" },
								"pull": { "type": ["boolean", "string"] },
								"target": { "type": "string" },
								"shm_size": { "type": ["integer", "string"] },
								"extra_hosts": { "$ref": "#/definitions/extra_hosts" },
								"isolation": { "type": "string" },
								"privileged": { "type": ["boolean", "string"] },
								"secrets": { "$ref": "#/definitions/service_config_or_secret" },
								"tags": { "type": "array", "items": { "type": "string" } },
								"ulimits": { "$ref": "#/definitions/ulimits" },
								"platforms": { "type": "array", "items": { "type": "string" } }
							},
							"additionalProperties": false,
							"patternProperties": { "^x-": {} }
						}
					]
				},
				"blkio_config": {
					"type": "object",
					"properties": {
						"device_read_bps": {
							"type": "array",
							"items": { "$ref": "#/definitions/blkio_limit" }
						},
						"device_read_iops": {
							"type": "array",
							"items": { "$ref": "#/definitions/blkio_limit" }
						},
						"device_write_bps": {
							"type": "array",
							"items": { "$ref": "#/definitions/blkio_limit" }
						},
						"device_write_iops": {
							"type": "array",
							"items": { "$ref": "#/definitions/blkio_limit" }
						},
						"weight": { "type": ["integer", "string"] },
						"weight_device": {
							"type": "array",
							"items": { "$ref": "#/definitions/blkio_weight" }
						}
					},
					"additionalProperties": false
				},
				"cap_add": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"cap_drop": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"cgroup": { "type": "string", "enum": ["host", "private"] },
				"cgroup_parent": { "type": "string" },
				"command": { "$ref": "#/definitions/command" },
				"configs": { "$ref": "#/definitions/service_config_or_secret" },
				"container_name": { "type": "string" },
				"cpu_count": {
					"oneOf": [{ "type": "string" }, { "type": "integer", "minimum": 0 }]
				},
				"cpu_percent": {
					"oneOf": [
						{ "type": "string" },
						{ "type": "integer", "minimum": 0, "maximum": 100 }
					]
				},
				"cpu_shares": { "type": ["number", "string"] },
				"cpu_quota": { "type": ["number", "string"] },
				"cpu_period": { "type": ["number", "string"] },
				"cpu_rt_period": { "type": ["number", "string"] },
				"cpu_rt_runtime": { "type": ["number", "string"] },
				"cpus": { "type": ["number", "string"] },
				"cpuset": { "type": "string" },
				"credential_spec": {
					"type": "object",
					"properties": {
						"config": { "type": "string" },
						"file": { "type": "string" },
						"registry": { "type": "string" }
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"depends_on": {
					"oneOf": [
						{ "$ref": "#/definitions/list_of_strings" },
						{
							"type": "object",
							"additionalProperties": false,
							"patternProperties": {
								"^[a-zA-Z0-9._-]+$": {
									"type": "object",
									"additionalProperties": false,
									"patternProperties": { "^x-": {} },
									"properties": {
										"restart": { "type": ["boolean", "string"] },
										"required": {
											"type": "boolean",
											"default": true
										},
										"condition": {
											"type": "string",
											"enum": [
												"service_started",
												"service_healthy",
												"service_completed_successfully"
											]
										}
									},
									"required": ["condition"]
								}
							}
						}
					]
				},
				"device_cgroup_rules": { "$ref": "#/definitions/list_of_strings" },
				"devices": {
					"type": "array",
					"items": {
						"oneOf": [
							{ "type": "string" },
							{
								"type": "object",
								"required": ["source"],
								"properties": {
									"source": { "type": "string" },
									"target": { "type": "string" },
									"permissions": { "type": "string" }
								},
								"additionalProperties": false,
								"patternProperties": { "^x-": {} }
							}
						]
					}
				},
				"dns": { "$ref": "#/definitions/string_or_list" },
				"dns_opt": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"dns_search": { "$ref": "#/definitions/string_or_list" },
				"domainname": { "type": "string" },
				"entrypoint": { "$ref": "#/definitions/command" },
				"env_file": { "$ref": "#/definitions/env_file" },
				"label_file": { "$ref": "#/definitions/label_file" },
				"environment": { "$ref": "#/definitions/list_or_dict" },

				"expose": {
					"type": "array",
					"items": {
						"type": ["string", "number"],
						"format": "expose"
					},
					"uniqueItems": true
				},
				"extends": {
					"oneOf": [
						{ "type": "string" },
						{
							"type": "object",

							"properties": {
								"service": { "type": "string" },
								"file": { "type": "string" }
							},
							"required": ["service"],
							"additionalProperties": false
						}
					]
				},
				"external_links": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"extra_hosts": { "$ref": "#/definitions/extra_hosts" },
				"gpus": { "$ref": "#/definitions/gpus" },
				"group_add": {
					"type": "array",
					"items": {
						"type": ["string", "number"]
					},
					"uniqueItems": true
				},
				"healthcheck": { "$ref": "#/definitions/healthcheck" },
				"hostname": { "type": "string" },
				"image": { "type": "string" },
				"init": { "type": ["boolean", "string"] },
				"ipc": { "type": "string" },
				"isolation": { "type": "string" },
				"labels": { "$ref": "#/definitions/list_or_dict" },
				"links": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"logging": {
					"type": "object",

					"properties": {
						"driver": { "type": "string" },
						"options": {
							"type": "object",
							"patternProperties": {
								"^.+$": { "type": ["string", "number", "null"] }
							}
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"mac_address": { "type": "string" },
				"mem_limit": { "type": ["number", "string"] },
				"mem_reservation": { "type": ["string", "integer"] },
				"mem_swappiness": { "type": ["integer", "string"] },
				"memswap_limit": { "type": ["number", "string"] },
				"network_mode": { "type": "string" },
				"networks": {
					"oneOf": [
						{ "$ref": "#/definitions/list_of_strings" },
						{
							"type": "object",
							"patternProperties": {
								"^[a-zA-Z0-9._-]+$": {
									"oneOf": [
										{
											"type": "object",
											"properties": {
												"aliases": { "$ref": "#/definitions/list_of_strings" },
												"ipv4_address": { "type": "string" },
												"ipv6_address": { "type": "string" },
												"link_local_ips": {
													"$ref": "#/definitions/list_of_strings"
												},
												"mac_address": { "type": "string" },
												"driver_opts": {
													"type": "object",
													"patternProperties": {
														"^.+$": { "type": ["string", "number"] }
													}
												},
												"priority": { "type": "number" }
											},
											"additionalProperties": false,
											"patternProperties": { "^x-": {} }
										},
										{ "type": "null" }
									]
								}
							},
							"additionalProperties": false
						}
					]
				},
				"oom_kill_disable": { "type": ["boolean", "string"] },
				"oom_score_adj": {
					"oneOf": [
						{ "type": "string" },
						{ "type": "integer", "minimum": -1000, "maximum": 1000 }
					]
				},
				"pid": { "type": ["string", "null"] },
				"pids_limit": { "type": ["number", "string"] },
				"platform": { "type": "string" },
				"ports": {
					"type": "array",
					"items": {
						"oneOf": [
							{ "type": "number" },
							{ "type": "string" },
							{
								"type": "object",
								"properties": {
									"name": { "type": "string" },
									"mode": { "type": "string" },
									"host_ip": { "type": "string" },
									"target": { "type": ["integer", "string"] },
									"published": { "type": ["string", "integer"] },
									"protocol": { "type": "string" },
									"app_protocol": { "type": "string" }
								},
								"additionalProperties": false,
								"patternProperties": { "^x-": {} }
							}
						]
					},
					"uniqueItems": true
				},
				"post_start": {
					"type": "array",
					"items": { "$ref": "#/definitions/service_hook" }
				},
				"pre_stop": {
					"type": "array",
					"items": { "$ref": "#/definitions/service_hook" }
				},
				"privileged": { "type": ["boolean", "string"] },
				"profiles": { "$ref": "#/definitions/list_of_strings" },
				"pull_policy": {
					"type": "string",
					"enum": ["always", "never", "if_not_present", "build", "missing"]
				},
				"read_only": { "type": ["boolean", "string"] },
				"restart": { "type": "string" },
				"runtime": {
					"type": "string"
				},
				"scale": {
					"type": ["integer", "string"]
				},
				"security_opt": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"shm_size": { "type": ["number", "string"] },
				"secrets": { "$ref": "#/definitions/service_config_or_secret" },
				"sysctls": { "$ref": "#/definitions/list_or_dict" },
				"stdin_open": { "type": ["boolean", "string"] },
				"stop_grace_period": { "type": "string" },
				"stop_signal": { "type": "string" },
				"storage_opt": { "type": "object" },
				"tmpfs": { "$ref": "#/definitions/string_or_list" },
				"tty": { "type": ["boolean", "string"] },
				"ulimits": { "$ref": "#/definitions/ulimits" },
				"user": { "type": "string" },
				"uts": { "type": "string" },
				"userns_mode": { "type": "string" },
				"volumes": {
					"type": "array",
					"items": {
						"oneOf": [
							{ "type": "string" },
							{
								"type": "object",
								"required": ["type"],
								"properties": {
									"type": { "type": "string" },
									"source": { "type": "string" },
									"target": { "type": "string" },
									"read_only": { "type": ["boolean", "string"] },
									"consistency": { "type": "string" },
									"bind": {
										"type": "object",
										"properties": {
											"propagation": { "type": "string" },
											"create_host_path": { "type": ["boolean", "string"] },
											"recursive": {
												"type": "string",
												"enum": ["enabled", "disabled", "writable", "readonly"]
											},
											"selinux": { "type": "string", "enum": ["z", "Z"] }
										},
										"additionalProperties": false,
										"patternProperties": { "^x-": {} }
									},
									"volume": {
										"type": "object",
										"properties": {
											"nocopy": { "type": ["boolean", "string"] },
											"subpath": { "type": "string" }
										},
										"additionalProperties": false,
										"patternProperties": { "^x-": {} }
									},
									"tmpfs": {
										"type": "object",
										"properties": {
											"size": {
												"oneOf": [
													{ "type": "integer", "minimum": 0 },
													{ "type": "string" }
												]
											},
											"mode": { "type": ["number", "string"] }
										},
										"additionalProperties": false,
										"patternProperties": { "^x-": {} }
									}
								},
								"additionalProperties": false,
								"patternProperties": { "^x-": {} }
							}
						]
					},
					"uniqueItems": true
				},
				"volumes_from": {
					"type": "array",
					"items": { "type": "string" },
					"uniqueItems": true
				},
				"working_dir": { "type": "string" }
			},
			"patternProperties": { "^x-": {} },
			"additionalProperties": false
		},

		"healthcheck": {
			"id": "#/definitions/healthcheck",
			"type": "object",
			"properties": {
				"disable": { "type": ["boolean", "string"] },
				"interval": { "type": "string" },
				"retries": { "type": ["number", "string"] },
				"test": {
					"oneOf": [
						{ "type": "string" },
						{ "type": "array", "items": { "type": "string" } }
					]
				},
				"timeout": { "type": "string" },
				"start_period": { "type": "string" },
				"start_interval": { "type": "string" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},
		"development": {
			"id": "#/definitions/development",
			"type": ["object", "null"],
			"properties": {
				"watch": {
					"type": "array",
					"items": {
						"type": "object",
						"required": ["path", "action"],
						"properties": {
							"ignore": { "type": "array", "items": { "type": "string" } },
							"path": { "type": "string" },
							"action": {
								"type": "string",
								"enum": [
									"rebuild",
									"sync",
									"restart",
									"sync+restart",
									"sync+exec"
								]
							},
							"target": { "type": "string" },
							"exec": { "$ref": "#/definitions/service_hook" }
						},
						"additionalProperties": false,
						"patternProperties": { "^x-": {} }
					}
				}
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},
		"deployment": {
			"id": "#/definitions/deployment",
			"type": ["object", "null"],
			"properties": {
				"mode": { "type": "string" },
				"endpoint_mode": { "type": "string" },
				"replicas": { "type": ["integer", "string"] },
				"labels": { "$ref": "#/definitions/list_or_dict" },
				"rollback_config": {
					"type": "object",
					"properties": {
						"parallelism": { "type": ["integer", "string"] },
						"delay": { "type": "string" },
						"failure_action": { "type": "string" },
						"monitor": { "type": "string" },
						"max_failure_ratio": { "type": ["number", "string"] },
						"order": { "type": "string", "enum": ["start-first", "stop-first"] }
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"update_config": {
					"type": "object",
					"properties": {
						"parallelism": { "type": ["integer", "string"] },
						"delay": { "type": "string" },
						"failure_action": { "type": "string" },
						"monitor": { "type": "string" },
						"max_failure_ratio": { "type": ["number", "string"] },
						"order": { "type": "string", "enum": ["start-first", "stop-first"] }
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"resources": {
					"type": "object",
					"properties": {
						"limits": {
							"type": "object",
							"properties": {
								"cpus": { "type": ["number", "string"] },
								"memory": { "type": "string" },
								"pids": { "type": ["integer", "string"] }
							},
							"additionalProperties": false,
							"patternProperties": { "^x-": {} }
						},
						"reservations": {
							"type": "object",
							"properties": {
								"cpus": { "type": ["number", "string"] },
								"memory": { "type": "string" },
								"generic_resources": {
									"$ref": "#/definitions/generic_resources"
								},
								"devices": { "$ref": "#/definitions/devices" }
							},
							"additionalProperties": false,
							"patternProperties": { "^x-": {} }
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"restart_policy": {
					"type": "object",
					"properties": {
						"condition": { "type": "string" },
						"delay": { "type": "string" },
						"max_attempts": { "type": ["integer", "string"] },
						"window": { "type": "string" }
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"placement": {
					"type": "object",
					"properties": {
						"constraints": { "type": "array", "items": { "type": "string" } },
						"preferences": {
							"type": "array",
							"items": {
								"type": "object",
								"properties": {
									"spread": { "type": "string" }
								},
								"additionalProperties": false,
								"patternProperties": { "^x-": {} }
							}
						},
						"max_replicas_per_node": { "type": ["integer", "string"] }
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				}
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"generic_resources": {
			"id": "#/definitions/generic_resources",
			"type": "array",
			"items": {
				"type": "object",
				"properties": {
					"discrete_resource_spec": {
						"type": "object",
						"properties": {
							"kind": { "type": "string" },
							"value": { "type": ["number", "string"] }
						},
						"additionalProperties": false,
						"patternProperties": { "^x-": {} }
					}
				},
				"additionalProperties": false,
				"patternProperties": { "^x-": {} }
			}
		},

		"devices": {
			"id": "#/definitions/devices",
			"type": "array",
			"items": {
				"type": "object",
				"properties": {
					"capabilities": { "$ref": "#/definitions/list_of_strings" },
					"count": { "type": ["string", "integer"] },
					"device_ids": { "$ref": "#/definitions/list_of_strings" },
					"driver": { "type": "string" },
					"options": { "$ref": "#/definitions/list_or_dict" }
				},
				"additionalProperties": false,
				"patternProperties": { "^x-": {} },
				"required": ["capabilities"]
			}
		},

		"gpus": {
			"id": "#/definitions/gpus",
			"oneOf": [
				{ "type": "string", "enum": ["all"] },
				{
					"type": "array",
					"items": {
						"type": "object",
						"properties": {
							"capabilities": { "$ref": "#/definitions/list_of_strings" },
							"count": { "type": ["string", "integer"] },
							"device_ids": { "$ref": "#/definitions/list_of_strings" },
							"driver": { "type": "string" },
							"options": { "$ref": "#/definitions/list_or_dict" }
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				}
			]
		},

		"include": {
			"id": "#/definitions/include",
			"oneOf": [
				{ "type": "string" },
				{
					"type": "object",
					"properties": {
						"path": { "$ref": "#/definitions/string_or_list" },
						"env_file": { "$ref": "#/definitions/string_or_list" },
						"project_directory": { "type": "string" }
					},
					"additionalProperties": false
				}
			]
		},

		"network": {
			"id": "#/definitions/network",
			"type": ["object", "null"],
			"properties": {
				"name": { "type": "string" },
				"driver": { "type": "string" },
				"driver_opts": {
					"type": "object",
					"patternProperties": {
						"^.+$": { "type": ["string", "number"] }
					}
				},
				"ipam": {
					"type": "object",
					"properties": {
						"driver": { "type": "string" },
						"config": {
							"type": "array",
							"items": {
								"type": "object",
								"properties": {
									"subnet": { "type": "string" },
									"ip_range": { "type": "string" },
									"gateway": { "type": "string" },
									"aux_addresses": {
										"type": "object",
										"additionalProperties": false,
										"patternProperties": { "^.+$": { "type": "string" } }
									}
								},
								"additionalProperties": false,
								"patternProperties": { "^x-": {} }
							}
						},
						"options": {
							"type": "object",
							"additionalProperties": false,
							"patternProperties": { "^.+$": { "type": "string" } }
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"external": {
					"type": ["boolean", "string", "object"],
					"properties": {
						"name": {
							"deprecated": true,
							"type": "string"
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"internal": { "type": ["boolean", "string"] },
				"enable_ipv4": { "type": ["boolean", "string"] },
				"enable_ipv6": { "type": ["boolean", "string"] },
				"attachable": { "type": ["boolean", "string"] },
				"labels": { "$ref": "#/definitions/list_or_dict" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"volume": {
			"id": "#/definitions/volume",
			"type": ["object", "null"],
			"properties": {
				"name": { "type": "string" },
				"driver": { "type": "string" },
				"driver_opts": {
					"type": "object",
					"patternProperties": {
						"^.+$": { "type": ["string", "number"] }
					}
				},
				"external": {
					"type": ["boolean", "string", "object"],
					"properties": {
						"name": {
							"deprecated": true,
							"type": "string"
						}
					},
					"additionalProperties": false,
					"patternProperties": { "^x-": {} }
				},
				"labels": { "$ref": "#/definitions/list_or_dict" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"secret": {
			"id": "#/definitions/secret",
			"type": "object",
			"properties": {
				"name": { "type": "string" },
				"environment": { "type": "string" },
				"file": { "type": "string" },
				"external": {
					"type": ["boolean", "string", "object"],
					"properties": {
						"name": { "type": "string" }
					}
				},
				"labels": { "$ref": "#/definitions/list_or_dict" },
				"driver": { "type": "string" },
				"driver_opts": {
					"type": "object",
					"patternProperties": {
						"^.+$": { "type": ["string", "number"] }
					}
				},
				"template_driver": { "type": "string" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"config": {
			"id": "#/definitions/config",
			"type": "object",
			"properties": {
				"name": { "type": "string" },
				"content": { "type": "string" },
				"environment": { "type": "string" },
				"file": { "type": "string" },
				"external": {
					"type": ["boolean", "string", "object"],
					"properties": {
						"name": {
							"deprecated": true,
							"type": "string"
						}
					}
				},
				"labels": { "$ref": "#/definitions/list_or_dict" },
				"template_driver": { "type": "string" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"command": {
			"oneOf": [
				{ "type": "null" },
				{ "type": "string" },
				{ "type": "array", "items": { "type": "string" } }
			]
		},

		"service_hook": {
			"id": "#/definitions/service_hook",
			"type": "object",
			"properties": {
				"command": { "$ref": "#/definitions/command" },
				"user": { "type": "string" },
				"privileged": { "type": ["boolean", "string"] },
				"working_dir": { "type": "string" },
				"environment": { "$ref": "#/definitions/list_or_dict" }
			},
			"additionalProperties": false,
			"patternProperties": { "^x-": {} }
		},

		"env_file": {
			"oneOf": [
				{ "type": "string" },
				{
					"type": "array",
					"items": {
						"oneOf": [
							{ "type": "string" },
							{
								"type": "object",
								"additionalProperties": false,
								"properties": {
									"path": {
										"type": "string"
									},
									"format": {
										"type": "string"
									},
									"required": {
										"type": ["boolean", "string"],
										"default": true
									}
								},
								"required": ["path"]
							}
						]
					}
				}
			]
		},

		"label_file": {
			"oneOf": [
				{ "type": "string" },
				{
					"type": "array",
					"items": { "type": "string" }
				}
			]
		},

		"string_or_list": {
			"oneOf": [
				{ "type": "string" },
				{ "$ref": "#/definitions/list_of_strings" }
			]
		},

		"list_of_strings": {
			"type": "array",
			"items": { "type": "string" },
			"uniqueItems": true
		},

		"list_or_dict": {
			"oneOf": [
				{
					"type": "object",
					"patternProperties": {
						".+": {
							"type": ["string", "number", "boolean", "null"]
						}
					},
					"additionalProperties": false
				},
				{ "type": "array", "items": { "type": "string" }, "uniqueItems": true }
			]
		},

		"extra_hosts": {
			"oneOf": [
				{
					"type": "object",
					"patternProperties": {
						".+": {
							"oneOf": [
								{
									"type": "string"
								},
								{
									"type": "array",
									"items": {
										"type": "string"
									},
									"uniqueItems": false
								}
							]
						}
					},
					"additionalProperties": false
				},
				{ "type": "array", "items": { "type": "string" }, "uniqueItems": true }
			]
		},

		"blkio_limit": {
			"type": "object",
			"properties": {
				"path": { "type": "string" },
				"rate": { "type": ["integer", "string"] }
			},
			"additionalProperties": false
		},
		"blkio_weight": {
			"type": "object",
			"properties": {
				"path": { "type": "string" },
				"weight": { "type": ["integer", "string"] }
			},
			"additionalProperties": false
		},
		"service_config_or_secret": {
			"type": "array",
			"items": {
				"oneOf": [
					{ "type": "string" },
					{
						"type": "object",
						"properties": {
							"source": { "type": "string" },
							"target": { "type": "string" },
							"uid": { "type": "string" },
							"gid": { "type": "string" },
							"mode": { "type": ["number", "string"] }
						},
						"additionalProperties": false,
						"patternProperties": { "^x-": {} }
					}
				]
			}
		},
		"ulimits": {
			"type": "object",
			"patternProperties": {
				"^[a-z]+$": {
					"oneOf": [
						{ "type": ["integer", "string"] },
						{
							"type": "object",
							"properties": {
								"hard": { "type": ["integer", "string"] },
								"soft": { "type": ["integer", "string"] }
							},
							"required": ["soft", "hard"],
							"additionalProperties": false,
							"patternProperties": { "^x-": {} }
						}
					]
				}
			}
		},
		"constraints": {
			"service": {
				"id": "#/definitions/constraints/service",
				"anyOf": [{ "required": ["build"] }, { "required": ["image"] }],
				"properties": {
					"build": {
						"required": ["context"]
					}
				}
			}
		}
	}
}