How do I start my node app?

Hello, I'm curious about starting my own node app. Could you please provide me with a step-by-step guide on how to get started? I'm a beginner in this field and would appreciate any guidance or resources you could recommend to help me learn more about setting up and managing a node app. Additionally, I'd like to know if there are any common pitfalls or challenges I should be aware of as I embark on this journey. Thank you in advance for your help!