Sharing the Xserver with docker container

[Ryan Schmidt]

On Jan 24, 2021, at 21:15, Tong Sun wrote:

> On Sun, Jan 24, 2021 at 9:30 PM Ryan Schmidt wrote:
> 
>> On Jan 24, 2021, at 18:01, Tong Sun wrote:
>> 
>>> For any Xserver in host, I normally just do the following in the
>>> docker container
>>> 
>>> export DISPLAY=':0'
>>> xterm &
>>> 
>>> and I'll be all set.
>>> 
>>> However, I found that it is not the case for Xserver from macport, as
>>> I see my DISPLAY in my host is
>>> 
>>> DISPLAY=/private/tmp/com.apple.launchd.DiHpGrxgFr/org.macports:0
>>> 
>>> How can I share that with my docker container?
>> 
>> I'm not sure. Did you try first starting the X server on your Mac, and then doing what you did before in Docker?
> 
> I'm very new to both Mac and macport. how to start the X server on Mac?
> 
> I used macport to install xorg-server, then tried to start xterm.
> xterm started fine, meaning my xorg-server started fine,
> then I checked the DISPLAY in xterm, which is the above value.

Starting any X11 program, such as xterm, will start the X11 server. Or you can manually launch /Applications/MacPorts/X11.app.

Now that X11.app is running on macOS, what happens if you try to use X11 from your Docker container, with DISPLAY set to ":0"?