app.json

{
    "name": "Gateway Merchant Server",
    "description": "Sample PHP application for processing mobile SDK transactions on the Gateway",
    "repository": "https://github.com/Mastercard/gateway-merchant-sample-php.git",
    "website": "https://github.com/Mastercard/gateway-merchant-sample-php",
    "env": {
        "GATEWAY_MERCHANT_ID": {
            "required": true,
            "description": "Your TEST Gateway merchant ID (must begin with 'TEST')"
        },
        "GATEWAY_API_PASSWORD": {
            "required": true,
            "description": "Your TEST Gateway API password"
        },
        "GATEWAY_REGION": {
            "required": true,
            "description": "The Gateway region to target (options: ASIA_PACIFIC, EUROPE, NORTH_AMERICA, INDIA, CHINA, MTF)",
            "value": "MTF"
        },
        "GATEWAY_API_VERSION": {
            "required": true,
            "description": "The Gateway API version to target",
            "value": "53"
        }
    },
    "buildpacks": [
        {
            "url": "heroku/php"
        }
    ]
}