composer.json

{
    "repositories": [{
        "type": "composer",
        "url": "http://wpackagist.org"
    }, {
        "type": "package",
        "package": {
            "name": "wordpress",
            "type": "webroot",
            "version": "5.6.0",
            "dist": {
                "type": "zip",
                "url": "https://github.com/WordPress/WordPress/archive/5.6.0.zip"
            },
            "require": {
                "fancyguy/webroot-installer": "1.0.0"
            }
        }
    }],
    "require": {
        "php": ">=7.3.0",
        "wordpress": "5.6.0",
        "fancyguy/webroot-installer": "1.0.0",
        "vlucas/phpdotenv": "^2.4"
    },
    "extra": {
        "webroot-dir": "public/wp",
        "webroot-package": "wordpress",
        "installer-paths": {
            "public/wp-content/plugins/{$name}/": [
                "type:wordpress-plugin"
            ],
            "public/wp-content/mu-plugins/{$name}/": [
                "type:wordpress-muplugin"
            ],
            "public/wp-content/themes/{$name}/": [
                "type:wordpress-theme"
            ]
        }
    },
    "require-dev": {
        "heroku/heroku-buildpack-php": "dev-master"
    },
    "config": {
        "secure-http": false
    }
}