Caddy file php support

Caddyfile

# Global error logging (MUST be at the top)
{
    log {
        output file /var/log/caddy/error.log
        format json
    }
}

localhost {
        # Set this path to your site's directory.
        root * /usr/share/caddy

        # Enable the static file server.
        file_server

        # Php
        php_fastcgi unix//run/php/php8.1-fpm.sock

        # SSL
        tls /etc/caddy/keys/cert.pem /etc/caddy/keys/key.pem

    log {
        output file /var/log/caddy/access.log
        format json
    }

}