Cybersecurity YAML Config Help

I have a YAML file that drives the application-setup layer of one of my projects, but the configuration is outdated and it’s breaking it. I need someone who has experience with Linux VPS, YAML, JavaScript, and penetration testing to take a look and help me rewrite the file... (Budget: £60 - £67 GBP, Jobs: Apache, Cloud Computing, DevOps, JavaScript, Linux, Network Security, Scripting, System Admin, System Administration, Ubuntu)