AWS ELB is a network load balancer service provided by Amazon Web Services for distributing traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions.
Apache is a free and open-source cross-platform web server software.
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate documentation from a Swagger-compliant API.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.