Case study · DevOps
Trip Management System
Zero-downtime releases for a legacy Java monolith.
CI/CD pipeline & blue-green deployment strategy.
- Industry
- Travel
- Pattern
- Blue-green
- Java
- Docker
- Amazon ECS
- Amazon RDS
- AWS CodePipeline
- ALB
- Auto Scaling
01 — Overview
A CI/CD pipeline built on a blue-green deployment pattern on Amazon ECS for zero-downtime releases. The legacy Java monolith was fully containerised, its database moved to high-availability Amazon RDS, and the whole delivery lifecycle automated from commit to production.
02 — Key features
- 01Legacy Java monolith containerised with Docker
- 02Blue-green deployments on Amazon ECS
- 03Multi-AZ Amazon RDS for persistence
- 04Auto Scaling behind an Application Load Balancer
- 05CodeCommit → CodePipeline → CodeDeploy automation
- 06Rapid rollback and safe canary testing
03 — Results & value
Zero
downtime per release with blue-green switching
Multi-AZ
RDS for enterprise-grade reliability
Commit → prod
fully automated delivery pipeline
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