{
    "database": {
        "password": "secure_pass_123",
        "port": "5432",
        "allowedIPs": [
            "192.168.1.100",
            "192.168.1.101",
            "10.0.0.50"
        ],
        "host": "localhost",
        "name": "middleware_db",
        "connectionPool": {
            "minSize": "5",
            "maxSize": "20",
            "timeout": "30"
        },
        "username": "user"
    },
    "cache": {
        "nodes": [
            {
                "port": "6379",
                "host": "redis1.example.com"
            },
            {
                "port": "6379",
                "host": "redis2.example.com"
            }
        ],
        "provider": "redis",
        "ttl": "3600",
        "enabled": "true"
    }
}