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

说明与用途

团队使用 Docker 将 Rails 应用从 Heroku 迁移到 AWS，成本降低约 30%，并获得完整的基础设施控制权。

问题

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

结果

The migration completed in a few weeks, reduced monthly costs by approximately 30%, and provided full control over the deployment stack.

工作流

• 1. Containerized the Rails app with Docker.
• 2. Created a Dockerfile and docker-compose.yml for local development.
• 3. Pushed images to Amazon ECR.
• 4. Configured Elastic Beanstalk to use the Docker image.
• 5. Migrated databases from Heroku Postgres to Amazon RDS.
• 6. Updated environment variables and add‑on equivalents.
• 7. Tested the deployment locally and in staging.
• 8. Switched traffic to the new AWS environment.
• 9. Decommissioned Heroku resources.

证据

We started by containerizing our Rails application with Docker, creating a Dockerfile and docker-compose.yml for local development.

来源

We pushed the images to Amazon ECR and configured Elastic Beanstalk to use the Docker image.

来源

The migration reduced our monthly costs by about 30% and gave us full control over the infrastructure.

来源