This month we learn what NOT to do! PHP is one of the easiest programming languages to use ever and powers more than half of the Internet. With this ease of use, certain common patterns emerge that become harmful. This is especially true when your product or service is not expected to die soon. Some anti-patterns are coding, and others are related to operating your service, especially with new Docker stacks. We will go over some of the most common pitfalls with a focus on enterprise development.