{
  "$schema": "http://json-schema.org/draft-07/schema",
  "title": "JSON schema for .circleci/config.yml",
  "definitions": {
    "default": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "docker": {
            "description": "Options for docker executor",
            "$ref": "./docker.json#/definitions/default"
          },
          "machine": {
            "description": "Options for machine executor",
            "$ref": "./machine.json#/definitions/default"
          },
          "macos": {
            "description": "Options for macos executor",
            "$ref": "./macos.json#/definitions/default"
          },
          "shell": {
            "description": "Shell to use for execution command in all steps",
            "type": "string"
          },
          "steps": {
            "description": "A list of steps to be performed",
            "type": "array",
            "items": {
              "anyOf": [
                {
                  "type": "object",
                  "properties": {
                    "add_ssh_keys": {
                      "type": "object",
                      "properties": {
                        "fingerprints": {
                          "type": "array",
                          "items": {
                            "type": "string"
                          }
                        }
                      }
                    },
                    "save_cache": {
                      "type": "object",
                      "properties": {
                        "paths": {
                          "type": "array",
                          "items": {
                            "type": "string",
                            "examples": ["node_modules"]
                          }
                        },
                        "key": {
                          "type": "string",
                          "examples": [
                            "v1-dependencies-{{ checksum \"package.json\" }}"
                          ]
                        }
                      }
                    },
                    "restore_cache": {
                      "type": "object",
                      "properties": {
                        "keys": {
                          "type": "array",
                          "items": {
                            "type": "string"
                          }
                        }
                      }
                    }
                  }
                },
                {
                  "type": "object",
                  "properties": {
                    "run": {
                      "description": "Command to run via the shell",
                      "type": "string"
                    }
                  },
                  "required": ["run"]
                },
                {
                  "type": "object",
                  "properties": {
                    "run": {
                      "type": "object",
                      "properties": {
                        "command": {
                          "description": "Command to run via the shell",
                          "type": "string",
                          "examples": ["yarn test"]
                        },
                        "name": {
                          "description": "Title of the step to be shown in the CircleCI UI",
                          "type": "string",
                          "default": "command"
                        },
                        "shell": {
                          "description": "Shell to use for execution command",
                          "type": "string",
                          "examples": ["/bin/bash", "/bin/sh"]
                        },
                        "environment": {
                          "description": "Additional environmental variables, locally scoped to command",
                          "$ref": "../../alias.json#/definitions/types/map"
                        },
                        "background": {
                          "description": "Whether or not this step should run in the background",
                          "type": "boolean",
                          "default": "boolean"
                        },
                        "working_directory": {
                          "description": "In which directory to run this step",
                          "type": "string"
                        },
                        "no_output_timeout": {
                          "description": "Elapsed time the command can run without output",
                          "type": "string",
                          "default": "10m",
                          "examples": ["20m", "1.25h", "5s"]
                        },
                        "when": {
                          "description": "Specify when to enable or disable the step",
                          "type": "string",
                          "default": "on_success",
                          "enum": ["always", "on_success", "on_fail"]
                        }
                      }
                    }
                  },
                  "required": ["command"]
                },
                {
                  "type": "string",
                  "enum": ["checkout"]
                }
              ]
            }
          },
          "working_directory": {
            "description": "In which directory to run the steps",
            "type": "string",
            "default": "~/project"
          },
          "parallelism": {
            "description": "Number of parallel instances of this job to run",
            "type": "number",
            "default": 1
          },
          "environment": {
            "description": "A map of environment variable names and values",
            "$ref": "../../alias.json#/definitions/types/map"
          },
          "branches": {
            "description": "A map defining rules for whitelisting/blacklisting execution of specific branches for a single job that is not in a workflow or a 2.1 config",
            "$ref": "./branches.json#/definitions/default"
          },
          "resource_class": {
            "description": "Amount of CPU and RAM allocated to each container in a job",
            "type": "string",
            "enum": ["small", "medium", "medium+", "large", "xlarge"]
          }
        }
      }
    }
  }
}