Dockerfile-2.2.10 in ddtrace-0.25.0

- old
+ new

@@ -1,8 +1,12 @@
 # Last version: https://github.com/docker-library/ruby/blob/395cce4eba52917eb9a40c72d50703a1ce9e1acd/2.2/jessie/Dockerfile
 FROM ruby:2.2.10
 
+# Add Jessie repos
+# Fixes https://superuser.com/questions/1423486/issue-with-fetching-http-deb-debian-org-debian-dists-jessie-updates-inrelease
+RUN printf "deb http://archive.debian.org/debian/ jessie main\ndeb-src http://archive.debian.org/debian/ jessie main\ndeb http://security.debian.org jessie/updates main\ndeb-src http://security.debian.org jessie/updates main" > /etc/apt/sources.list
+
 # Make apt non-interactive
 RUN echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/90circleci \
   && echo 'DPkg::Options "--force-confnew";' >> /etc/apt/apt.conf.d/90circleci
 
 ENV DEBIAN_FRONTEND=noninteractive
@@ -57,11 +61,11 @@
   && tar -C /usr/local/bin -xzvf /tmp/dockerize-linux-amd64.tar.gz \
   && rm -rf /tmp/dockerize-linux-amd64.tar.gz \
   && dockerize --version
 
 # Install RubyGems
-RUN gem update --system
-RUN gem install bundler
+RUN gem update --system 2.7.9
+RUN gem install bundler -v '1.17.3'
 ENV BUNDLE_SILENCE_ROOT_WARNING 1
 
 RUN mkdir /app
 WORKDIR /app
 