Dockerfile and wrapper script for a nanoc project

Dockerfile

FROM ruby:2.4

ADD Gemfile /opt/
ADD Gemfile.lock /opt/
WORKDIR /opt

RUN bundle install

CMD bundle exec nanoc -v

EXPOSE 3000

nanoc

#!/bin/bash

# this file should be executable and assumes a normal nanoc Gemfile
# Usage:
#    ./nanoc whatever
#       does the same as nanoc whatever, examples:
#         ./nanoc compile
#         ./nanoc live
#         ./nanoc help check

docker build -t mynanocproject .
docker run -v $PWD:/data -w /data -p 3000:3000 mynanocproject bundle exec nanoc "$@"