How We Migrated from Heroku to Amazon Web Services (AWS) Using Docker

Описание и применение

Миграция приложения с Heroku на AWS с использованием Docker сократила ежемесячные расходы примерно на 30% и повысила контроль над инфраструктурой.

Задача

The team needed to move their application from Heroku to AWS to gain more control over infrastructure, reduce costs, and improve scalability.

Результат

The migration completed in under a week, cutting monthly hosting costs by ~30% and providing greater scalability and control over the deployment environment.

Рабочий процесс

• 1. Containerize the application using Docker.
• 2. Push Docker images to Amazon ECR.
• 3. Set up an ECS Fargate cluster and define task definitions.
• 4. Configure RDS PostgreSQL and migrate the database schema and data.
• 5. Update environment variables and secrets in ECS.
• 6. Deploy the ECS service and test connectivity.
• 7. Set up S3 buckets for static assets and update the app to use them.
• 8. Configure CloudWatch logs and metrics.
• 9. Switch DNS to point to the new ECS load balancer.
• 10. Decommission Heroku resources.

Доказательства

We were able to migrate the entire application in less than a week.

Источник

The cost savings were about 30% compared to Heroku.

Источник