I cut my AWS bill by 93% by ditching Fargate for a single Lightsail VM

Migrating from AWS Fargate and Aurora to Amazon Lightsail significantly reduced the cost of running your web application while maintaining its core functionalities. Here's a summary of what you gained, lost, and how it affects your current setup:

What You Gained

1. Cost Reduction:

   • Your monthly costs dropped from $345 to approximately$23–$33.
   • This is largely due to the reduced complexity and cost of Lightsail compared to Fargate and Aurora.

2. Simplified Architecture:

   • You now have a single VM running your application, making it easier to manage and understand.
   • The Docker-based setup on Lightsail allows for easy deployment and maintenance.

3. Deployment Automation:

   • GitHub Actions automates the build, deploy, and restart processes, ensuring that updates are handled efficiently.

4. Performance Optimization:

   • By leveraging Docker layer caching and optimizing memory usage with swap space, you can achieve faster rebuild times (2 minutes) compared to initial builds (6 minutes).

What You Lost

1. High Availability (HA):
   • With a single Lightsail instance, there's no built-in multi-AZ HA

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