Merge pull request #2636 from hugginsio/hugginsio/2635

fix(docker): address `system` and `without` flag deprecations in Bundler

Author: ojeytonwilliams

Dockerfile

@@ -11,7 +11,8 @@ RUN apt-get update && \
 
 COPY Gemfile Gemfile.lock Rakefile /devdocs/
 
-RUN bundle install --system && \
+RUN bundle config set path.system true && \
+    bundle install && \
     rm -rf ~/.gem /root/.bundle/cache /usr/local/bundle/cache
 
 COPY . /devdocs

Dockerfile-alpine

@@ -9,7 +9,9 @@ COPY . /devdocs
 
 RUN apk --update add nodejs build-base libstdc++ gzip git zlib-dev libcurl && \
     gem install bundler && \
-    bundle install --system --without test && \
+    bundle config set path.system true && \
+    bundle config set without 'test' && \
+    bundle install && \
     thor docs:download --all && \
     thor assets:compile && \
     apk del gzip build-base git zlib-dev && \