load-balancer

Traefik is an HTTP reverse proxy and load balancer that makes deploying microservices easy. It automatically discovers services, provides automatic SSL certificates, and offers a modern approach to traffic routing with support for multiple backends and orchestrators.

HAProxy is a very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers many of the world's most visited ones.