Assigning vhosts to Docker ports

Question

I have a wildcard DNS set up so that all web requests to a custom domain (*.foo) map to the IP address of the Docker host. If I have multiple containers running Apache (or

Answer 1

With docker, you want the internal ips to remain normal (e.g. 80) and figure out how to wire up the random ports.

One way to handle them, is with a reverse proxy like hipache. Point your dns at it, and then you can reconfigure the proxy as your containers come up and down. Take a look at http://txt.fliglio.com/2013/09/protyping-web-stuff-with-docker/ to see how this could work.

If you're looking for something more robust, you may want to take a look at "service discovery." (a look at service discovery with docker: http://txt.fliglio.com/2013/12/service-discovery-with-docker-docker-links-and-beyond/)