{
    "$schema": "http://json-schema.org/schema#",
    "type": "object",
    "properties": {
        "type": {
            "type": "string",
            "description": "The service type (should always be 'postgresql')",
            "pattern": "^postgresql$",
            "errorMessage": "Must be 'postgresql'"
        },
        "database_name": {
            "type": "string",
            "errorMessage": "Must be a string"
        },
        "postgres_version": {
            "type": "string",
            "errorMessage": "Must be a string"
        },
        "description": {
            "type": "string",
            "errorMessage": "Must be a string"
        },
        "instance_type": {
            "type": "string",
            "errorMessage": "Must be a string"
        },
        "storage_gb": {
            "type": "number",
            "errorMessage": "Must be a number"
        },
        "storage_type": {
            "type": "string",
            "description": "The allowed values are 'standard' and 'gp2'",
            "pattern": "^standard|gp2$",
            "errorMessage": "Must be 'standard' or 'gp2'"
        },
        "multi_az": {
            "type": "boolean",
            "errorMessage": "Must be a boolean"
        },
        "db_parameters": {
            "type": "object",
            "description": "A list of key/value PostgreSQL parameter group pairs to configure your database.",
            "patternProperties": {
                "^.*$": {
                    "anyOf": [
                        {"type": "string"},
                        {"type": "number"}
                    ]
                }
            },
            "errorMessage": "Must contain 1 or more simple key/value pairs where the values are strings or numbers",
            "additionalProperties": false
        },
        "tags": {
            "type": "object",
            "description": "An arbitrary list of key/value pairs to be added as tags to the service",
            "patternProperties": {
                "^.*$": {
                    "anyOf": [
                        {"type": "string"},
                        {"type": "number"}
                    ]
                }
            },
            "errorMessage": "Must contain 1 or more simple key/value pairs where the values are strings or numbers",
            "additionalProperties": false
        }
    },
    "required": [
        "type",
        "database_name",
        "postgres_version"
    ],
    "additionalProperties": false,
    "errorMessage": {
        "required": {
            "type": "The 'type' parameter is required",
            "database_name": "The 'database_name' parameter is required",
            "postgres_version": "The 'postgres_version' parameter is required"
        },
        "additionalProperties": "Invalid/Unknown property specified"
    }
}