Copy petalinux-v2020.2-final-installer.run file to this folder. Then run:
docker build --build-arg PETA_VERSION=2020.2 --build-arg PETA_RUN_FILE=petalinux-v2020.2-final-installer.run -t petalinux:2020.2 .
After installation, launch petalinux with:
docker run -ti --rm -e DISPLAY=$DISPLAY --net="host" -v /tmp/.X11-unix:/tmp/.X11-unix -v $HOME/.Xauthority:/home/vivado/.Xauthority -v $HOME/Projects:/home/vivado/project petalinux:2020.2 /bin/bash