How to access host port from docker container

Question

I have a docker container running jenkins. As part of the build process, I need to access a web server that is run locally on the host machine. Is there a way the host web s

Answer 1

We found that a simpler solution to all this networking junk is to just use the domain socket for the service. If you're trying to connect to the host anyway, just mount the socket as a volume, and you're on your way. For postgresql, this was as simple as:

docker run -v /var/run/postgresql:/var/run/postgresql

Then we just set up our database connection to use the socket instead of network. Literally that easy.