They aren't really the same type of product. Envoy is mostly an alternative to something like HAProxy, or Træfik. You wouldn't pick Envoy over Nginx (or Apache)

They aren't really the same type of product. Envoy is mostly an alternative to something like HAProxy, or Træfik. You wouldn't pick Envoy over Nginx (or Apache) if you need a webserver, than wouldn't make sense. Envoy solves a very specific problem, Nginx solves a bunch of problems. Also if you're using Nginx everywhere else already, you might want to use a product you're comfortable with, even in the cases where Envoy could work for you. E.g. we use Apache almost everywhere, because performance is "good enough", and it allows us to use the same product for a lot of different client, due to the large feature set.