How do you handle background tasks when your app is live, you know, in production?

Hey everyone, i'm curious about how you all handle background processing in your applications. We're looking at options for tasks like sending emails, processing images, and running scheduled reports. We've considered using dedicated queues like RabbitMQ or SQS, but also wondered about simpler solutions for smaller workloads. What are your go-to tools and strategies for reliable background job execution in a production environment, and any pitfalls to avoid