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CONTAINER_NAME="dir-studio-ui-tests-xvfb"

# stop and rm in case something went wrong in previous run
docker stop $CONTAINER_NAME
docker rm $CONTAINER_NAME

# find free port and display
for PORT in $(seq 6006 6099); do netstat -tln | grep $PORT || break; done
echo "Using TCP port $PORT for Xvfb"
export DISPLAY=:$((PORT-6000))
echo "Using DISPLAY $DISPLAY"

# start container
docker pull apachedirectory/xvfb
docker run -d --name $CONTAINER_NAME -e DISPLAY=$DISPLAY -p $PORT:$PORT apachedirectory/xvfb