{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "title": "PortainerAppTemplateV3",
  "properties": {
    "version": {
      "type": "string",
      "const": "3",
      "description": "The version of the Portainer App Template."
    },
    "templates": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "integer",
            "minimum": 1,
            "description": "Unique identifier for the template."
          },
          "type": {
            "type": "integer",
            "minimum": 1,
            "maximum": 4,
            "description": "The type of the application (1=container, 2=swarm stack, 3=compose stack, 4=compose edge stack)."
          },
          "title": {
            "type": "string",
            "minLength": 1,
            "description": "The title of the application."
          },
          "description": {
            "type": "string",
            "minLength": 1,
            "description": "A brief description of the application."
          },
          "categories": {
            "type": "array",
            "items": {
              "type": "string",
              "minLength": 1
            },
            "description": "An array of categories the application belongs to."
          },
          "platform": {
            "type": "string",
            "enum": ["linux", "windows"],
            "description": "The target platform of the application; omit for multi-platform."
          },
          "logo": {
            "type": "string",
            "format": "uri",
            "description": "A URI to the logo of the application."
          },
          "image": {
            "type": "string",
            "minLength": 1,
            "description": "The name of the Docker image used for the application."
          },
          "restart_policy": {
            "type": "string",
            "enum": ["always", "unless-stopped", "on-failure", "no"],
            "description": "The restart policy for the application."
          },
          "ports": {
            "type": "array",
            "items": {
              "type": "string",
              "minLength": 1
            },
            "description": "An array of port mappings for the application."
          },
          "volumes": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "container": {
                  "type": "string",
                  "minLength": 1,
                  "description": "The container path for the volume binding."
                },
                "bind": {
                  "type": "string",
                  "description": "The host path for the volume binding."
                },
                "readonly": {
                  "type": "boolean",
                  "description": "Whether the volume is read-only."
                }
              },
              "additionalProperties": false,
              "required": ["container"]
            },
            "description": "An array of volume mappings for the application."
          },
          "env": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "name": {
                  "type": "string",
                  "minLength": 1,
                  "description": "The name of the environment variable."
                },
                "label": {
                  "type": "string",
                  "description": "Display label for the environment variable."
                },
                "description": {
                  "type": "string",
                  "description": "Description of the environment variable."
                },
                "default": {
                  "type": "string",
                  "description": "The default value for the environment variable."
                },
                "preset": {
                  "type": "boolean",
                  "description": "When true, the variable is applied silently with its default value."
                },
                "select": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "text": { "type": "string" },
                      "value": { "type": "string" },
                      "default": { "type": "boolean" }
                    },
                    "additionalProperties": false,
                    "required": ["text", "value"]
                  },
                  "description": "Dropdown options for the environment variable."
                }
              },
              "additionalProperties": false,
              "required": ["name"]
            },
            "description": "Environment variables for the template."
          },
          "labels": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "name": {
                  "type": "string",
                  "minLength": 1
                },
                "value": {
                  "type": "string",
                  "minLength": 1
                }
              },
              "additionalProperties": false,
              "required": ["name", "value"]
            },
            "description": "Docker labels for the template."
          },
          "repository": {
            "type": "object",
            "properties": {
              "url": {
                "type": "string",
                "format": "uri",
                "description": "URL of the git repository."
              },
              "stackfile": {
                "type": "string",
                "minLength": 1,
                "description": "Path to the stack file within the repository."
              }
            },
            "additionalProperties": false,
            "required": ["url", "stackfile"],
            "description": "Repository details for stack templates (types 2 and 3)."
          },
          "note": {
            "type": "string",
            "description": "Usage or deployment notes (supports HTML)."
          },
          "name": {
            "type": "string",
            "description": "Default name for the stack/container."
          },
          "administrator_only": {
            "type": "boolean",
            "description": "Whether the template is only available to administrators."
          },
          "registry": {
            "type": "string",
            "description": "Registry to pull the image from."
          },
          "command": {
            "type": "string",
            "description": "Command to run in the container."
          },
          "network": {
            "type": "string",
            "description": "Network to attach the container to."
          },
          "privileged": {
            "type": "boolean",
            "description": "Whether to run the container in privileged mode."
          },
          "interactive": {
            "type": "boolean",
            "description": "Whether the container requires an interactive shell."
          },
          "hostname": {
            "type": "string",
            "description": "Hostname for the container."
          },
          "stackFile": {
            "type": "string",
            "description": "Inline stack file content. When present, Portainer uses this directly instead of cloning the repository."
          },
          "maintainer": {
            "type": "string",
            "description": "Maintainer of the template (metadata added by this repo; ignored by Portainer)."
          }
        },
        "additionalProperties": false,
        "required": ["id", "type", "title", "description"],
        "allOf": [
          {
            "if": { "properties": { "type": { "const": 1 } } },
            "then": { "required": ["image"] }
          },
          {
            "if": { "properties": { "type": { "const": 2 } } },
            "then": { "required": ["repository"] }
          },
          {
            "if": { "properties": { "type": { "const": 3 } } },
            "then": { "required": ["repository"] }
          },
          {
            "if": { "properties": { "type": { "const": 4 } } },
            "then": { "anyOf": [{ "required": ["stackFile"] }, { "required": ["repository"] }] }
          }
        ]
      }
    }
  },
  "additionalProperties": false,
  "required": ["version", "templates"]
}