When comparing H2O vs Traefik, the Slant community recommends Traefik for most people. In the question“What are the best web servers?” Traefik is ranked 6th while H2O is ranked 10th. The most important reason people chose Traefik is:
You just add labels to your Docker, Swarm or K8s containers and they get proxied automagically, If you set up everything correctly.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Fast
C implementation, server is optimised for speed. Claims to be significantly faster than Nginx according to some benchmarks (details on GitHub homepage).
Pro HTTP/2 ready
Written ground-up to support HTTP/2 as well as 1.0 and 1.1
Pro Auto-discovery
You just add labels to your Docker, Swarm or K8s containers and they get proxied automagically, If you set up everything correctly.
Pro Easy to set up
Add your docker network and labels to your services and get it running fast.
Cons
Con Http/Https only
E.g. doesn't allow you to route IMAP/SMTP traffic.