Docker exec with correct Terminal size

docker_exec.sh

dexec(){
    CONTAINER=$1
    shift
    docker exec -it $CONTAINER bash -c "stty cols $COLUMNS rows $LINES && $*";
}
_dexec(){
    COMPREPLY=( $(docker ps --format "{{.Names}}" -f name=$2) );
}
complete -F _dexec dexec;
export dexec;