Absolutely nothing about preventing or mitigating prompt injections.
Any other "best practices" for any other sort of platform, database or language, should include suggestions on how to keep your system secure and not vulnerable to abuse.
Coding for LLMs right now is a bit like coding with PHP+MySQL in the late 90s to early 00s, throw stuff at it with little thought and see what happens, hence the wave of SQL injection vulnerabilities in software of that era. The best practices haven't even really been established, particularly when it comes to security.
Any other "best practices" for any other sort of platform, database or language, should include suggestions on how to keep your system secure and not vulnerable to abuse.
Coding for LLMs right now is a bit like coding with PHP+MySQL in the late 90s to early 00s, throw stuff at it with little thought and see what happens, hence the wave of SQL injection vulnerabilities in software of that era. The best practices haven't even really been established, particularly when it comes to security.