Requirements for container application

Context

• https://wiki.cantara.no/display/KM/Service+Manifest
• https://wiki.cantara.no/display/OWSOA/Service+Categories

• Cattle, not pets
• Micro services
• High Availability
• Deploy without downtime
• Docker

• AWS

Minimal

• Container Orchestration - Fargate or ECS
• Docker with alpine linux
• CloudWatch, application must log to stout and use Docker CloudWatch log support
• ALB, health endpoint, example todo
• No local state - i.e. oo persistence to disk or "sticky sessions", must use database, HazelCast or similar for sharing data between nodes.
  • Might be possible to use https://aws.amazon.com/efs/, but avoid if possible.

Improvements

• Metrics

Baselines

• https://github.com/capraconsulting/microservice-baseline

• Spring variant (Spring Core, not Spring Boot):