How to host Unleash on AWS: six ways to run self-hosted feature flags

Unleash, an open-source feature flag platform, can be self-hosted on AWS, allowing users full control over data location, network access, and upgrade schedules. The guide provides a comprehensive overview of deploying Unleash using six AWS compute services, each offering varying levels of control and operational effort: AWS Lightsail, Amazon ECS Express Mode, AWS Elastic Beanstalk, Amazon ECS on Fargate, Amazon EC2, and Amazon EKS. The deployment involves running a stateless Node.js server, storing stateful data in PostgreSQL (usually through Amazon RDS or Aurora), and managing secrets with AWS Secrets Manager. HTTPS is facilitated via an Elastic Load Balancer with AWS Certificate Manager. For high traffic, Unleash Enterprise Edge can be added as a cache to reduce latency. The guide emphasizes the importance of choosing the right compute service based on operational requirements and scalability needs, with ECS Express Mode and ECS on Fargate recommended for most production scenarios.

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