product.json

{  
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://example.com/product.schema.json",
    "title": "Product",
    "description": "A product from Acme's catalog",  
    "type": "object",
    "properties": {
        "productId": {      
            "description": "The unique identifier for a product",      
            "type": "integer"
        },
        "productName": {
            "description": "Name of the product",
            "type": "string"
        },
        "price": {
            "description": "The price of the product",
            "type": "number",
            "exclusiveMinimum": 0
        },    
        "tags": {
            "description": "Tags for the product",      
            "type": "array",      
            "items": {        
                "type": "string"
              },
            "minItems": 1,
            "uniqueItems": true
        }
    },
    "required": [
        "productId",    
        "productName",    
        "price"
        ]
}