This is a command line interface to fetch movies rotten tomatoes rate from this site http://www.omdbapi.com/
you need to pass your API_KEY as an Environment Varible to the code to work.
sample usage:
docker run -t rotten .
docker run --rm rotten "Guardians of the Galaxy Vol. 2"
docker run --rm rotten "Guardians of the Galaxy Vol. 2" -j