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

Description and use

The team migrated their app from Heroku to AWS using Docker, ECS, RDS, and ElastiCache, reducing costs and improving scalability.

Problem

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

Outcome

The migration completed with minimal downtime, improved scalability, and reduced monthly hosting costs.

Workflow

• 1. Containerized the application using Docker.
• 2. Set up an Amazon ECS cluster and task definitions.
• 3. Migrated the PostgreSQL database to Amazon RDS.
• 4. Migrated Redis to Amazon ElastiCache.
• 5. Configured environment variables and secrets in AWS Parameter Store.
• 6. Updated DNS to point to the new ECS service.
• 7. Monitored performance and adjusted scaling policies.

Evidence

We containerized the application using Docker and deployed it to Amazon ECS.

Source

We migrated the PostgreSQL database to Amazon RDS and Redis to Amazon ElastiCache.

Source