Lightsail keeps going down

It's understandable that you're experiencing frustration with your Lightsail instance going down frequently. However, Lightsail can be a robust solution when properly configured and sized for your needs. The issues you're facing are likely related to resource constraints rather than inherent instability in the service.

Lightsail instances use burstable performance, which means they have a baseline level of CPU performance with the ability to burst above that baseline for short periods. If your application consistently requires more resources than the baseline provides, it can lead to performance issues and downtime.

To address this, consider the following steps:

1. Monitor your instance's resource usage, particularly CPU utilization and burst capacity, using Lightsail's built-in monitoring tools.

2. Check system logs for any unusual activity or errors that might be causing high resource consumption.

3. Optimize your application by removing unnecessary plugins, optimizing databases, and compressing images if you're running a content management system like WordPress.

4. Implement caching solutions to reduce the load on your server.

5. If you consistently exceed your current instance's capacity, consider upgrading to a larger Lightsail plan with more RAM, vCPUs, and storage.

6. For WordPress sites, you might want to offload static content to a Lightsail bucket or Amazon S3 to reduce the load on your instance.

If after taking these steps you still experience issues, you might want to consider migrating to a more flexible service like Amazon EC2. However, many users find that properly sized and optimized Lightsail instances can provide stable and cost-effective hosting for a wide range of applications.

Remember, occasional downtime can occur with any hosting solution, but frequent issues usually indicate a need for optimization or scaling rather than an inherent problem with the platform itself.
Sources
lightsail instance down everyday. | AWS re:Post
Website Capacity Issues on Amazon Lightsail | AWS re:Post
Lightsail instance freezing when launching npm application | AWS re:Post