Expose docs generation through make (codeclimate#95)

Author: filipesperandio

Dockerfile

@@ -8,6 +8,8 @@ RUN gem install bundler && \
     bundle install -j 4 && \
     rm -fr /usr/share/ri
 
+RUN apk --update add git
+
 RUN adduser -u 9000 -D app
 COPY . /usr/src/app
 RUN chown -R app:app /usr/src/app

Makefile

@@ -1,4 +1,4 @@
-.PHONY: image test
+.PHONY: image test docs
 
 IMAGE_NAME ?= codeclimate/codeclimate-rubocop
 
@@ -7,3 +7,10 @@ image:
 
 test: image
 	docker run --rm $(IMAGE_NAME) sh -c "cd /usr/src/app && bundle exec rake"
+
+docs: image
+	docker run --rm \
+		--user root \
+		--workdir /usr/src/app \
+		--volume $(PWD):/usr/src/app \
+		$(IMAGE_NAME) sh -c "bundle exec rake docs:scrape"