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Valuable Lessons from My First AWS Setup Mistakes (and How to Optimize Costs to Avoid Bill Shock!)
- The article discusses valuable lessons learned from the author's initial AWS setup mistakes, focusing on optimizing costs to prevent bill shock.
- One mistake highlighted is enabling CloudWatch Logs without retention and minimum log level filters, leading to a surge in costs as log data accumulated.
- The solution involved adjusting log levels, setting retention periods, and using CloudWatch Logs Insights judiciously to control costs.
- Another error was not enabling retention or lifecycle policies in AWS Elastic Container Registry (ECR), resulting in growing storage costs over time.
- The fix included implementing lifecycle policies based on image count to manage storage efficiently.
- The article also addresses running web frontend on Amazon ECS, incurring high data transfer costs, and migrating to Amazon S3 + CloudFront for cost savings and better performance.
- Furthermore, it discusses the optimization of ECS services by analyzing spike patterns, using auto-scaling, and leveraging AWS Lambda for heavy processes.
- Utilizing EC2 Spot Instances for cost savings and setting up billing alerts, reviewing costs regularly, and staying updated with AWS recommendations are recommended to avoid cost surprises.
- The author's experiences serve as practical insights to help beginners in AWS streamline their setups and avoid costly mistakes.
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