Merge pull request #101 from tommyku/master

Add Docker support

.dockerignore

@@ -0,0 +1,3 @@
+# git
+.git/
+.gitignore

Dockerfile

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+FROM ruby:2.3.1-alpine
+
+RUN apk add --update --no-cache \
+    alpine-sdk \
+    nodejs \
+    tzdata
+
+WORKDIR /app/
+
+COPY . /app/
+
+RUN bundle install
+
+RUN npm install
+
+RUN npm install -g bower grunt
+
+RUN bundle exec rake bower:install
+
+RUN grunt