Let's encrypt for *a lot* of domains automatically

[ldez]

For wildcard certificates you have to use:

- "traefik.http.routers.myrouter.tls.domains[0].main=*.foobar.com"

• https://docs.traefik.io/v2.0/routing/providers/docker/#routers
• https://docs.traefik.io/v2.0/routing/routers/#domains