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

说明与用途

使用 Docker 将应用从 Heroku 迁移到 AWS，降低成本约 30%，提升可扩展性。

问题

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

结果

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

工作流

• 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.

证据

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

来源

The cost savings were about 30% compared to Heroku.

来源