to run a java gui app from a container
get the dockerfile and other stuff by cloning the repo
git clone https://github.com/wakaru44/docker-minecraft-client.git
get the Minecraft.jar from the minecraft page
cd docker-minecraft-client
wget https://s3.amazonaws.com/Minecraft.Download/launcher/Minecraft.jar
build the image
docker build -t minecraft .
run it like in running_container.sh
says, sharing volumes and stuff
docker run -ti --rm -e DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix -v /home/wakaru/.Xauthority:/home/developer/.Xauthority --net=host minecraft
REMEMBER: You will need the Minecraft.jar downloaded in this same folder