containeryard 0.5.0

Container Yard is a declarative, reproducible, and reusable decentralized approach for defining containers. Think Nix flakes meets Containerfiles (aka Dockerfiles).
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{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "yard module configuration Schema",
  "anyOf": [
    {
      "type": "null"
    },
    {
      "type": "object",
      "properties": {
        "description": {
          "type": "string",
          "description": "This is a modules description"
        },
        "args": {
          "type": "object",
          "properties": {
            "required": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "minItems": 1
            },
            "optional": {
              "type": "array",
              "items": {
                "type": "string"
              }
            },
            "validate": {
              "type": "array",
              "description": "Tera assertions evaluated with the module's resolved arguments. Every assertion must pass.",
              "items": {
                "type": "object",
                "properties": {
                  "assert": {
                    "type": "string",
                    "minLength": 1,
                    "description": "Tera condition expression that must be true. References must name declared arguments."
                  },
                  "message": {
                    "type": "string",
                    "minLength": 1,
                    "pattern": "\\S",
                    "description": "Message reported when the assertion is false."
                  }
                },
                "required": ["assert", "message"],
                "additionalProperties": false
              }
            }
          },
          "anyOf": [
            {
              "required": [
                "optional"
              ]
            },
            {
              "required": [
                "required"
              ]
            },
            {
              "required": [
                "validate"
              ]
            }
          ]
        },
        "requires": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "path": {
                "type": "string",
                "minLength": 1,
                "description": "Required module path, relative to the declaring module file."
              },
              "when": {
                "type": "string",
                "minLength": 1,
                "description": "Optional Tera condition expression evaluated with this module's resolved arguments. Use `arg is defined` to test whether an argument was supplied. Omit for an unconditional requirement."
              }
            },
            "required": ["path"],
            "additionalProperties": false
          },
          "description": "Modules that must be included earlier in any output using this module. Every entry requires path, resolved relative to this module file. An optional when expression makes a requirement conditional."
        },
        "files": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "path": {
                "type": "string",
                "minLength": 1,
                "description": "File destination, relative to the yard directory. Remote sources are resolved relative to the module file."
              },
              "when": {
                "type": "string",
                "minLength": 1,
                "description": "Optional Tera condition evaluated with the module's resolved arguments. Omit to always include the file when the module is used."
              }
            },
            "required": ["path"],
            "additionalProperties": false
          },
          "description": "Files to pull in when this module is used. Each entry requires path and optionally when. Paths are relative to the yard directory and cannot contain ~ or .. components."
        }
      },
      "required": [],
      "additionalProperties": false
    }
  ]
}