Merge pull request #65 from Dwolla/DEV-1066--Dockerize

Add Dockerfile

Dockerfile

@@ -0,0 +1,10 @@
+FROM ruby:3.1.2
+RUN mkdir app && mkdir app/lib && mkdir app/spec
+ADD lib /app/lib
+ADD Gemfile /app
+ADD dwolla_v2.gemspec /app
+ADD Rakefile /app
+ADD spec /app/spec
+WORKDIR /app
+RUN bundle install
+CMD ["rake", "spec"]

README.md

@@ -239,6 +239,11 @@ _See https://developers.dwolla.com/api-reference#errors for more info._
 * If you would like to contribute to this library, [bug reports](https://github.com/Dwolla/dwolla-v2-ruby/issues) and [pull requests](https://github.com/Dwolla/dwolla-v2-ruby/pulls) are always appreciated!
  * After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment. 
  * To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+
+## Docker
+
+If you prefer to use Docker to run dwolla-v2-python locally, a Dockerfile is included at the root directory.
+Follow these instructions from [Docker's website](https://docs.docker.com/build/hellobuild/) to create a Docker image from the Dockerfile, and run it.
 
 ## Additional Resources